Cruiser 500W Electric Bike Adults

Product Information

Specifications

• Model: E-Classic Cruiser
• Brand: Young Electric Bicycles
• Website: youngelectricbikes.com
• Customer Service: cservice.fus@youngelectricbikes.com
• Phone: 888-332-8582 / 888-933-8899

Product Usage Instructions

1. Safety Information

It is crucial to read and understand all safety information
provided in the manual before using the E-Classic Cruiser. Failure
to adhere to safety instructions may result in severe injury or
death.

2. Assembly and Setup

Before your first ride, ensure correct assembly and setup of the
bike. Regularly check the bike’s condition and tighten any loose
components. Conduct a mechanical safety check before every ride.
Make sure the bike fits you properly with at least one inch
clearance between the top tube and the ground plane.

3. Understanding Controls

Prior to riding, familiarize yourself with the bike’s controls,
power control system, throttle mechanism, and pedal assistance
feature. Riding without adequate knowledge may lead to accidents,
injuries, or damage to the bike or property.

4. Riding Guidelines

Avoid engaging in extreme riding as it can cause severe injury
or damage to the bike components. Always ride within recommended
limits to ensure your safety and the longevity of your E-Bike.

Frequently Asked Questions (FAQ)

Q: Where can I register my E-Bike for warranty activation?

A: You can register your E-Bike at youngelectricbikes.com to
activate your product warranty.

Q: What should I do if I have questions after reading the

manual?

A: If you have any questions, please contact Young Electric’s
customer service at cservice.fus@youngelectricbikes.com or call
888-332-8582 / 888-933-8899.

Owner’s Manual
E-Classic Cruiser

THANK YOU FOR CHOOSING A YOUNG ELECTRIC BICYCLE!
Young Electric Classic E-bike brings a modern riding experience with a vintage look that will make this bike stand out in a crowd and provide years of enjoyment. This bike was designed with quality, integrity, safety, and pleasure in mind. Young Electric Classic E-bikes are designed by our Research & Development team located in Milwaukie, Oregon. This team consists of all senior engineering and customer service staff with a passion for the industries they serve. They are focused on developing products that match the requirements of different cycling enthusiasts. At the same time, they work to incorporate the look of the classic cycles that they have owned or been exposed to for many years. This series of bikes bring modern riding experience with a vintage look that will make these bikes stand out in a crowd.
It is extremely important to register your E-Bike information at youngelectricbikes.com to activate your product warranty.
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TABLE OF CONTENTS Using this Manual……………………………………………………………………………………………. 4 Safety Information and Warnings………………………………………………………………………….. 5 Bike Overview………………………………………………………………………………………………..14 Specifications………………………………………………………………………………………………. 15 Assembly Instructions ……………………………………………………………………………………….17 Start Up Procedure………………………………………………………………………………………….40 Battery Charging, Use & Storage Information …………………………………………………………. 41 Bike HMI Display & PAS Remote ……………………………………………………………………….. 49 Bike Adjustments…………………………………………………………………………………………… 62 Maintenance, Cleaning & Storage…………………………………………………………………………70 Troubleshooting……………………………………………………………………………………………. 76 Service Parts………………………………………………………………………………………………..79 Warranty & Registration…………………………………………………………………………………… 81
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USING THIS MANUAL
Young Electric is not liable for accidents or injuries due to improper use of the product, failure to adhere to the instructions given in this guide, or modifications to the product. While every effort has been made to ensure that the information contained in this guide is accurate and complete, Young Electric is not liable for any errors or omissions.
Keep this Owner’s Manual in a safe place for future reference. All content is this manual is subject to change as we continually work to refine our products. Visit youngelectricbikes.com for latest version. Please read this manual completely before assembling and riding your bike. It will give you information necessary for adjusting, maintaining, and effectively using your bike. This manual is a guide only and not a complete or comprehensive manual.
If you have any questions after reading this manual, please contact us at cservice.fus@youngelectricbikes.com or 888-332-8582 / 888-933-8899
Your first assembly and adjustment require tools included with your bike. We recommend that you use an Authorized Service Center, or a certified, reputable bike mechanic when possible. The risks associated with the use of this bike are the sole responsibility of the rider. Young Electric is not liable for accidents or injuries due to improper use of the product, failure to adhere to the instructions given in this manual, modifications to the product, or unforeseen situations or conditions that occur while riding this bike.
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SAFETY INFORMATION & WARNING The following safety signal words indicate the following information is a safety message. The symbols are to alert you to potential hazards.
NOTICE Indicates information that the user should pay special attention to but is not related to physical injury.
CAUTION Indicates a hazard or unsafe condition that could result in minor injury if the user fails to read, understand, and follow the safety information.
WARNING Indicates a hazard or unsafe practice that can result in severe injury or death if the user fails to read, understand, and follow the safety information in the manual.
WARNING
Failure to pay attention to safety messages may result in property damage, injury, or death.
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WARNING
All users must read and understand this manual before using their bike. Ensure that you understand all instruction, cautions and warnings. Failure to adhere to these safety notes can lead to severe injury or death.
CAUTION
Correct assembly and set up of your bike before first ride are extremely important. It is important to check the condition of bike and tighten regularly. Always do a mechanical safety check before riding. Ensure the bike fits you properly before your first use. If your bike is not the correct size, you may lose control of it. Proper size allows for no less than one inch clearance between top tube of bike and ground plane, and the crotch of rider.
WARNING
Do not ride bike until you have adequate knowledge of its controls and operation, power control system, throttle mechanism and pedal assistance feature. Damage caused by failing to follow instructions voids warranty and may cause dangerous situations, accidents, injury, damage to bike or property, or death.
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WARNING
– Engaging in extreme riding is not recommended or permitted. Extreme riding can cause severe injury or death. Extreme riding can damage bike components, which have strength and integrity limitations. This can also cause or lead to injury or death.
– After any incident, your bike should be considered unsafe to ride until you consult with a qualified bike mechanic for a comprehensive inspection.
– Failure to perform and confirm proper installation, compatibility, proper operation, or maintenance of any component or accessory can result in severe injury or death.
– To avoid a hazardous situation, it is imperative to properly charge, store, and use your battery. Failure to do so can be extremely harmful and also void the warranty.
– Ensure good condition and proper installation of handlebar grips to prevent loss of control and/or fall.
– All frames and components should be regularly checked for signs of wear and/or breakage (cracks, corrosion, breaks…) These are important safety verifications to avoid accidents, body injuries and that your bike continues to last and give you pleasure.
– Do not disassemble, modify, or replace electrical parts. – Reflectors and the bell are for your safety, do not remove. – Do not use this product with standard bike trailers, stands, vehicle racks, or accessories
not approved by Young Electric as safe and compatible. Any aftermarket changes to your Young Electric bike not expressly approved by Young Electric could void the warranty and create an unsafe riding experience.
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CAUTION
– Use caution riding in rain, breaking distance increases, and visibility and adherence are reduced. When riding at night or in harsh weather, wear reflective clothing and check your bike’s lighting and reflectors. In wet conditions, feet or hands can slip and lead to severe injury or death. Ensure your bike is fitted with reflectors.
– Off-road riding presents variable conditions and hazards. Always wear appropriate safety gear. Do not ride alone in remote areas. Follow local rules/regulations.
– Ensure understanding of the throttle and pedal assistance sensors before using the bike with respect to travel at speeds appropriate for the usage area, riding conditions, and user experience level.
– Use extreme care when using the pedal assistance sensor and throttle. Be ready for power assistance to engage as soon as pedaling is underway. Always start with lowest assist level and increase only when you feel comfortable and confident to do so.
– Check the operation of the brake motor cutoff switches before riding. – E-Bikes are heavier and faster than normal bikes and require extra caution while riding. – It is your responsibility to follow the laws and requirements of operating this product in
the area where you ride. – Always ride single file and always look out for dangerous situations. – Never ride with headphones on or with personal radios. – Always gently apply rear brake first, then front brake, to avoid brakes locking up.
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WARNING
For your protection against head injury ALWAYS WEAR A HELMET when riding a bike. Failure to wear a helmet when riding may result in severe injury or death.
Helmets – Make sure helmet has a certification sticker from the U.S. Consumer Product Safety Commission (CPSC) inside it. Follow manufacturer’s directions. – Always wear an approved bicycle helmet that fits well. – Your helmet must fit properly and be worn correctly. Ensure the helmet covers the head snug, level, and stable. – Always keep the chin strap securely buckled and in good condition whenever using this product.
Apparel – Never ride barefoot or with shoes that slide off easily. Wear shoes that grip the pavement and the pedals well. – For hand comfort and protection, cycling gloves are helpful. – Wear visible clothing. At night, reflective clothing is recommended. – Riding off-road at night is not recommended. – Wear protective eyewear, especially when riding in sunny conditions or off-road.
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CAUTION
Wet pavement and/or wet tires and rims may cause slippery conditions and a dangerous situation. Extra breaking distance and slower speeds are required for your safety. Ride in wet weather only if necessary.
Riding in Wet Conditions – Allow extra breaking distance. – Ride more slowly. – Apply both front and rear brakes intermittently to avoid skidding.
CAUTION
Night riding is not recommended. During night riding it is harder to see and be seen.
Riding at Night – Check to make sure your bike’s front and rear lighting are working properly. – Check to make sure your bike’s reflectors are in place. – Wear reflective clothing and make sure accessories have reflectors. – Wear an approved helmet with reflective tape on front and back. – Never let children ride at night. – Watch for pedestrians.
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SPECIAL PRECAUTIONS Riding on the Road
– Yield to pedestrians. – Stop for Stop signs and traffic lights. – Signal turns with hand signals. – Be aware of hazardous surfaces like potholes, cracks, and uneven surfaces. – Travel with traffic. Never ride against traffic. – Know and follow the rules of the road. – Be extra cautious at intersections, look well ahead and scan intersections before crossing. – When you get off and walk your bike, you are considered a pedestrian, not a vehicle. – Never ride bike across railroad tracks-always walk across. – Watch for loose gravel when going around corners or curves. – Be aware of parked cars, people could be inside about to open door or pull out onto road. – Use bike lanes when available. – Never ride with headphones. – Do not do stunts, jumps or wheelies. – Never ride under the influence of drugs or alcohol. Riding on Sidewalks and Bike Paths – Know and follow the rules. Biking on sidewalks may not be allowed in your community. – When biking from private property, driveways, or alley yield to all road users. – Be aware of hazards such as: pets, children, strollers, sprinkler systems, debris, open gates,
planters, other cyclists, skateboarders, walkers, and runners. – Let others know you are coming by with voice or bell.
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WARNING
Front braking, especially when biking downhill, can cause pitchover, serious personal injury or death. Riding Off-Road
– Be safe and smart. Always wear a helmet. – Keep weight balanced and low on bike. – Move back on seat, stay low and minimize front braking on steep downhills. – Stay clear of deep water. – Ride only on trails open to bike where biking is allowed. – Ensure your bike is in safe operating condition, carry a patch kit, basic tools and first aid kit. – Do not ride alone, make sure someone knows where you are going and expected return time. – Yield right-of-way to pedestrians and animals. Crosswalks and Overpasses – Walk your bike to ensure right-of-way as a pedestrian or follow rules of the law for vehicles.
WARNING
A crash can put extreme stress on your bike’s components. Stressed components can fail suddenly and cause loss of control, severe injury, or death.
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Safety Check Before Each Ride It is important to always check the condition of your bike before every ride in addition to having it regularly maintained. If you are unsure of how to do this, consult with a certified, reputable bike shop for assistance. For more information, please see the Pre-Ride Safety Checklist on page 30.
NOTICE
Electric Bicycles can be dangerous to use. The user or consumer assumes all risk of personal injuries, damage, or failure of the bicycle or system, and all other losses or damages to themselves and others and to any property arising as a result of using the electric bicycle.
Hand signals

Left Turn

Right Turn

Alternate Right Turn

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Stopping

OVERVIEW

A Grip
B Shift Lever C HMI Display D Remote E Throttle F Front Disc Brake lever G Stem

H Springer Fork
I Front Fender J Headlight K Front Wheel L Front Disc Brake M Frame N Chain wheel

O Crank P Pedal Q Rear Disc Brake R Rear Hub Motor S Kickstand T Rear Fender V Rear Rack
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W Saddle X Seat Post Clamp U Rear Reflector

SPECIFICATION Model Name Max. Load Capacity Max. Speed Motor Battery Front Light Taillight Wheel Size Tire Pressure Charger Charging Time Water Resistance
Weight

E-Classic Cruiser 310Ib. (140KG) 20MPH 48V 500W 48V 15AH 3.5W 110LUX 1W 6V 26″x 2.2″ 350-560KPA 48V 3A 5.5-6.5H IPX5It can survive minor water splashes but can not be submerged or soaked with a water hose . 63Ib. (28.5kg)
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IN THE BOX 1. Main Bike With Battery Assembly 2. Front Wheel 3. Front Fender 4. Struts (4 pcs) 5. Charger and Cable 6. Pedals 7. Hardware Fastener Kit 8. kickstand 9. Tool Kit 10. Owner Manual 11. Keys
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NOTICE
The following steps are a general guide to assist you in assembling your bike. It is not meant to be a complete or comprehensive manual. We recommend consulting a certified, reputable bike mechanic to assist with assembly, repair, and maintenance of your bike. ASSEMBLY INSTRUCTIONS Detailed assembly instructions are shown in the Young Electric Assembly Guide Video in the Resource tab under User Guide at https://youngelectricbikes.com/. Step 1: Unpack Bike Open the bike box and remove the small box inside. Carefully remove your bike from the shipping carton and gently rest it on floor. Remove the zip tie and inside protective cover securing front wheel, fender, and handlebar to bike assembly. (Scissors not included)
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Step 2: Attach Kickstand
Get the kickstand from the accessory box. The kickstand comes with 2 screws. Remove the screws from the kickstand with the 5mm hex key. Position the kickstand behind the frame. Then start to thread the screws in with your fingers into the threaded holes on the kickstand. Once they are in finish tightening them with the 5mm hex key.

M6 flat washer

M6 spring washer

M6 socket screw

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WARNING
Make sure all fasteners used to secure the handlebars and stem are torqued according to specification. Loose handlebars could cause the rider to lose control and result in severe injury. Do not extend any component beyond the minimum insertion mark. Damage to bike, property, severe injury, or death could occur.
Step 3: Attach Handlebar
a. Remove handlebar clamp from stem by removing all screws with 6mm Allen wrench. b. Lift the handlebar into position and center in the stem. c. Reinstall the handlebar clamp with the screw removed from stem. Do not fully tighten until
checking position of handlebar. d. Reposition the handlebar so the ends are level with ground or slightly angled downward when
front fork is resting on the ground. Make sure the handlebar is centered on the stem. e. Fully tighten the handlebar clamp screws to 4.0ft.lb (5.5 Nm) force to make sure the handlebar
does not move.
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Clamp

2xM6

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WARNING
Always ensure all latches, levers, and quick releases are properly secured and undamaged. Make sure they are correctly secured before every ride. Bike parts may come loose and can result in loss of control, damage to the bike, property, severe injury, and/or death. Step 4 : Secure Stem The stem should be tightly secured to the head tube of fork when bike is received. The position or height can be adjusted as needed. Use 6mm Allen wrench to loosen bolt in center of stem that extends into fork.
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Step 5: Install Front Fender a. Combine the M5 x 8 flat round head bolt front fender supportM5 nut, then use an 8mm open
wrench to fix the M5 locknut, and then use a 4mm Allen wrench to tighten the nut. b. Repeat the operation four times to attach the 4 pcs struts to the front and rear end of the front
fender. c. Place the bike horizontally upside down on the ground. prepare to install the fender.
Remove the plastic cap and the brake pad retainer from between the front brake pads. d. Hold the fender upside down and keep the headlights facing the front of the bike.
In the order shown, use the M5 x 45 hexagon bolt to pass through the M5 large flat washer fender lifting plugM5 large flat washer M5 nut in turn, and then fix the M5 locknut with an 8mm open wrench, tighten the bolt with a 4mm Allen wrench.
Do not tighten the nut, if do not do this, the fender struts cannot be attached to the hub axle in the next step.
M5 x 8 flat round head bolt

Strut

M5 Nut
a
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The fender struts installation is complete.
b
23

c
d
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WARNING
Never touch the brake rotor, especially when the wheel and/or bike is in motion. Fingers may be severely injured by sharp edges or holes in the rotor. Grease or oil from fingers may damage or reduce the performance of the brakes.
Step 6: Install Front Wheel
a. Slide the wheel into the dropout slots on main tube of the fork. Position the front wheel so it is centered in the fork with the brake disc on the same side fork as the brake caliper. Insert the disc rotor into the center of the disc brake at the same time.
b. Put the fork’s secondary tube into the hub axle at both side. c. Take the nuts and flat spacers from the fastener bag Put flat spacers and screw nuts on the
axle, Tighten the nut with an open wrench. d. Firstly start by attaching the two struts on either side of the REAR of the fender. e. Secondly start by attaching the two struts on either side of the FRONT of the fender. f. Finally use an open wrench to tighten nuts on both sides of hub axle.
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a
26

b
27

c
d-e
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f
Step 7: Adjusted Seat Height a. Stand Bike Up and Carefully lay bike back on its side. b. Lift bike by handlebar and seat to stand bike upright. c. Put kickstand down to support bike. The length of kickstand may need to be adjusted to hold bike near vertical. d. Adjust the seat height up or down until the rider feels they have control of the bicycle and are comfortable.
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Step 8: Check Handlebar, Stem, and Front Wheel Alignment a. Stand over the bike frame to check the alignment when the bike is in vertical riding position. b. Check to make sure the centerline of the stem is in line with the front wheel. c. Loosen the stem mounting bolt extending into the head tube to make an adjustment as needed. Use the 6mm Allen wrench to loosen and tighten as needed. d. Check to make sure the handlebar is centered in the stem and at a comfortable position. e. Loosen handlebar clamp as needed to adjust handlebar per Step 2 instruction.
Align Wheel to Frame Handlebar must be perpendicular
to center line.
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Step 9: Attach Pedal The pedals are marked “R” for Right and “L” for Left. The right pedal goes on the right side of the bike which is on the right side of the rider when riding the bike. The left pedal goes on the left side of the bike which is on the left side of the rider when riding the bike. Use the 15mm wrench provided in the tool kit to attach and tighten the pedals.
· Be careful not to cross thread or damage the threads. · Thread and turn clockwise the right pedal by hand onto the right side of the crank. · Thread and turn counterclockwise the left pedal by hand onto the left side of the crank. · Torque each pedal to 22 ft.lb (30 Nm) using pedal wrench.
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NOTICE
Take care not to cross thread or damage threads when threading pedals onto crank. Use pedal wrench provided in tool kit to avoid damage. Rider leg should be only slightly bent when pedal is closest to ground, ball of foot is on pedal, and rider is sitting on seat. Step 10: Connect Headlight
a. Locate the electrical connector protruding from the fender near the head tube. b. Keep the arrows aligned and insert the connectors plug. c. Alight and push these connectors together so they are fully seated.
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Step 11: Install Battery a. Remove the battery from the shipping carton. b. The battery can be fully charge on or off the bike. It must be fully charged before first bike ride. c. Put the large end of the battery against the battery dock on the seat post tube. Align the fingers on the end of the battery with the groove on the side of the battery dock. d. Rotate the battery into the frame so the top of the battery slides on the strike plate and the lock engages with the frame. e. The battery should lock firmly into position on the frame and the battery should be centered in the frame.
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Step 12. Review Pre-Ride Checklist

Safety Check

Basic Steps

Wheels and Tires

-Ensure tires are inflated to recommended limits specified on tire side

wall.

-Ensure tire tread is good, have no bulges or cuts, and have no

embedded objects that may puncture it.

-Ensure rims have no damage, run true, do not wobble, have no dents

or kinks.

-Ensure all spokes are tight and are not broken.

-Ensure axle nuts or quick release levers are tight.

-Ensure locking lever of all quick release assemblies are secure.

-Ensure that reflectors are securely in position on both wheels.

Brakes

-Ensure front and rear brakes function properly.

-Ensure brake levers move freely, are firm, and do not touch handlebar

grips when pulled with maximum hand force.

-Ensure motor cutoff and brake light functions properly.

-Ensure brake pads are positioned correctly, move freely, and do not

have excess wear.

-Ensure brake rotors are not damaged, have objects tangled in them,

or have excess wear.

-Ensure brake cables are adjusted correctly, are lubricated, and have

no obvious damage.

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Steering Chain Bearings Cranks and Pedals Rear Derailleur, Shifter, and Cable

-Ensure brake caliper fasteners are secure, they are not leaking fluid, and do not have damage.
-Ensure handlebar and stem are correctly adjusted, fasteners are tight, and turn freely. -Ensure handlebar and stem are set correctly in relation to front wheel. -Ensure both handlebar grips are secure and do not have excess wear. -Ensure chain is clean, well lubricated, and runs smoothly. -Ensure chain does not make any unusual noises or squeaks -Ensure no foreign material is lodged in chain links or excessive corrosion. -Ensure the bearings in headset, lower bracket, pedals, and both wheels turn freely. -Inspect for excess movement, rough feeling, grinding, rattling, and noise. -Ensure both pedals are securely tightened to crank arms. -Ensure pedals turn freely, not bent, or damaged in any way. -Ensure the crank arms are securely fastened to bottom bracket shaft and are not bent. -Ensure derailleur is adjusted and functions properly. -Ensure shifter is functioning properly when shifting up and down through gears.
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Frame, Fork, and Seat
Motor and Rear Wheel Assembly
Battery

-Ensure chain is not making noise in all gears. -Ensure derailleur moves freely, does not have any object tangled in it, and shift cable tightly secured to it. -Ensure shift cable is not damaged in any way and is properly adjusted. -Ensure frame and front fork are not bent or damaged in any way. -Inspect frame and fork for any cracks in the paint at welded joint. -Ensure seat is properly adjusted and quick release is securely tightened. -Ensure both wheels are evenly spaced in front fork and rear frame.
-Ensure hub motor spins smoothly in both directions. -Ensure motor power cable is not damaged and is secured well to the frame. -Ensure hub motor bolts are tight and there is no sign of damage to rear dropouts. -Ensure spokes are tight and do not appear to be damaged in any way. -Ensure battery is fully charged before using the bike. -Ensure there is no damage to battery, and electrical connectors and mounting features are in good condition. -Insert battery into lower mount and rotate it into upper mount. Ensure lock holds battery firmly in position.
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Electrical Cables and Lights
Accessories, Other, and PPE

-Pull lightly on battery to ensure it will not come out after locking to frame. -Turn on HMI display to confirm battery is engaged and fully charged.
-Inspect all visible electrical connectors to confirm they are connected completely. -Ensure electrical cable grommets are in proper position to prevent damage to electrical and mechanical cables. -Ensure insulation on cables is not damaged and there are no exposed wires. -Carefully inspect cables that pass under bottom bracket to make sure cables are not damaged under bike.
-Turn on bike to ensure headlight, taillight and brake lights are
functioning properly.
-Ensure all reflectors on bike are properly secured and visible. -Ensure rear rack and any other items are securely fastened to the frame. -Ensure fenders and mounting hardware are secure. -Ensure kickstand is functioning properly and fasteners are tight. -Inspect helmet and any other PPE to ensure they are not damaged and function properly. -Ensure rider is wearing a helmet, other required PPE, and is familiar
with riding laws.

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NOTICE
After your initial break-in period of 50-100mi (80-160km), it is important to have a certified reputable bike mechanic perform a tune-up on your bike, as cables, spokes and chain will stretch, and bolt connections can loosen. Regular maintenance is important for safety and pleasurable riding.
CAUTION
Do not use throttle while dismounted. Before mounting, operating, pedaling, dismounting, and/or removing an unlocked battery from the frame of your bike, make sure you remove the key from the battery. Failure to do so may cause damage to the key or battery, and/or cause injury. Never use front brake by itself. Using both brakes, applying the rear brake first and then applying the front brake will cause less stress on components avoiding damage to bike and parts, and/or loss of control. Rear brake should be applied anytime front brake is engaged.
WARNING
Never ride your bike while under the influence of any substance such as drugs or alcohol or any condition that could alter your ability to operate your bike safely.
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START-UP PROCEDURE Once you have properly assembled your bike following the assembly video, ensuring all components are correctly secured, and have read and understand this entire manual, you may start your bike.
a. Ensure battery key is in locked position. Remove key and carefully push on battery from right side of bike to make sure it is secure.
b. Confirm correct handlebar and seat position. See Bike Adjustments section of this manual on pages 55-57. Ensure faceplate bolts and seat post quick release are completely secured.
c. Turn on your bike. Long press Power-On button until boot logo interface appears and then release button. You will be on the Home Screen.
d. Check lights. Short press “Light” button to manually turn on or off bike light if needed. e. See Basic Function Operation section on page 45 to select PAS level, starting with level 0 or 1. f. Begin ride: In safe location and with proper safety gear, begin pedaling. g. Throttle: Always start with lowest PAS level and increase only when feeling comfortable. Short
press “+” or “­” buttons to switch assist level and change assist mode up or down. See pg. 44.
CAUTION
Consult your physician before riding any bike if you have an impairment or disability that could impact your ability to safely operate a vehicle. As a parent or guardian, the activities and safety of your child is your responsibility, not that of Young Electric. Young Electric bikes are not designed or recommended for children under the age of 18.
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BATTERY CHARGING, STORAGE & USE INFORMATION Long-Term Storage -If E-bike or battery is not used for a long time:
-Store battery in an environment within temperatures of -20 (-4) and 45 (113). -Recommended storage of steady temperature range between 10 (50) and 25 (77). -Protect battery against moisture to avoid corrosion of electrical contacts. Store battery in dry environment. -Do not store battery near flammable items. -The battery will switch to offline in the following cases: -E-Bike is not used in 2 months -The battery is completely depleted and/or not charged for 3 months. Completely charge battery before returning to normal use. -If storing your bike for longer than two weeks at a time: – Charge battery to approximately 75%. – Power off battery and removed from frame. – Store battery between 10 (50) and 25 (77) in a dry, climate-controlled location. – Check battery every month, if necessary, use Young Electric charger to charge battery to 75%.
NOTICE
Failure to follow proper battery storage procedures can result in a non- functional battery. Replacement will not be covered under warranty.
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WARNING
If battery pack is partially or totally submerged in water, it will suffer damage that compromise its safety and stability. This damage can be even more severe if battery pack was submerged in salt water. Attempting to charge a compromised battery can lead to severe injury or death. UNDER NO CIRCUMSTANCES should you attempt to charge a battery pack that has been partially or totally submerged in water. Attempting to charge a compromised battery can result in a very dangerous fire that generates significant heat, toxic gasses and is extremely difficult to control. Check your bike as soon as possible after partial or complete submersion. Most likely its electrical system has been damaged and is unsafe to use. Carefully remove battery pack from bike and take it to a safe location OUTDOORS, away from flammable materials. To properly dispose of the battery, place in clear plastic bag and take it to your municipal household hazardous waste drop-off center. To find the closest facility in your area check with your local City Hall or Fire Department or go to https://www.call2recycle.org/locator/. Failure to adhere to these safety warnings can lead to severe injury or death.
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Battery Charging The battery may be charged while on or off bicycle in a dry location but must not be moved during charging. To charge battery
a. Open charger cover on bike. b. Insert charger connector into charging port on battery. c. Insert cord into battery charger. d. Insert AC plug into an AC outlet.
Red Light: Battery is charging Green Light: Battery is fully charged
WARNING
Do not open the battery housing, which will void the warranty and can result in damage to the battery or property or cause severe injury and/or death.
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NOTICE
Do not cover the charger when plugged in or charging. The charger needs to be on a hard, flat surface in an open space to cool air. Ensure the indicator lights are facing upward. Do not use the charger inverted, which can inhibit cooling and reduce charger lifespan.

CAUTION
If the battery is physically damaged, non-functional, performing abnormally, or was dropped or involved in a crash, with or without obvious signs of damage, please discontinue use and charging and contact Young Electric immediately.

CAUTION
-Avoid deep discharge during use and storage of battery. Deep discharge of battery may cause internal short circuit. Do not carry a deep-discharged battery on bike. -Heating battery to extremely high temperature may cause fire. -When not in use, battery should be fully charged once every 3 months. Always charge battery in temperature between 10 (50) and 25 (77) and ensure battery and charger are not damaged. Contact Young Electric if anything unusual noticed. -Discontinue use if there is damage to battery connector terminals or battery mount.

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Battery Information – The battery should be charged at the ambient temperature close to 20’C (68’F). – Avoid frequent full discharge. Battery life is improved with only partial discharge. Lithium-ion battery cells used in your battery do have memory that can reduce battery capacity. Regardless, if battery is in-use or not, the cell oxidation will be caused by the usage and aging, and the battery capacity will be reduced as battery becomes old. – Deep discharge will cause irreversible damage and capacity loss for the battery. If the battery is not used for a long time, it must be fully charged at least once every 3 months. – Do not put the battery in water. – Battery and charger shall not be repaired. Do not try to disassemble or modify battery or charger. – Do not use a battery with a damaged case. – Keep the battery away from children. – The battery should be charged after each use. – Remove charger from battery within one hour of complete charge. – Never charge battery for more than 12 hours at a time. – Do not leave a charging battery unattended. – Balance the battery by charging to 100% after the first, second and third ride, and after a period of long-term battery storage, after noticeable range decline, or up to (but not more than) once a month with frequent use. This will extend the range and life expectancy of your battery.
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WARNING
-A damaged, wet, or dirty power cable or socket may cause electric shock and fatal injury. -Stop using the battery immediately if become hot to touch, dissipates a strong odor, or has a distorted housing. -Use a dry and undamaged power cable and charger only. -Replace a damaged power cable or charger immediately. -Only use charger supplied with the product. Using another charger which is not provided by the product may cause battery overheating and explosion. -Heating the battery to extremely hot temperature may cause fire. -Avoid deep discharge of battery during the use and storage of battery. -When not in use, the battery should be fully charged once every 3 months at least. -Do not expose battery to storage temperatures below -20 (-4) or above 45 (113). Note: The temperature above 60 (140) may cause the internal structure overheating, especially in the environment under direct sunlight. -Do not use the charger in a humid environment or in the environment with temperatures below -10 (14) or above 40 (104). -Do not put the battery in water. -Before connecting power cable, remove foreign matters at charger port (dust, ice, snow, etc.).
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WARNING
-Protect the battery against high pressure. -Do not use a battery with a damaged case. -Keep the battery away from children. -When charging, please ensure no flammable material is near the battery since it will generate heat. -Put the charger and battery on a non-flammable surface for charging. To charge a battery installed on the Electric bicycle, please put the Electric bicycle in a non-inflammable environment. -Do not charge the battery on a carpeted floor. -Do not cover the battery and charger during charging. -The battery and charger shall not be repaired. Do not try to disassemble or modify the battery or charger. Battery Charger Information The provided charger is suitable for the voltage range of 100-240V. Switching the voltage range of the charger is not required as it will automatically detect supply voltage. There is not a switch on the charger. Unplug the charger when not in use.
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WARNING
Charge battery only with charger originally supplied with bike or a replacement Young Electric charger. Never use an aftermarket charger which can cause battery to overheat and explode, resulting in battery damage, property damage, severe injury, and/or death.
Charger Connection a. Put the battery on a solid non-flammable surface when not in use. The battery and charger should be laid flat on surface, so ports and plugs are horizontal. Otherwise, the charge port and plug connection to the socket may be damaged. b. To check present battery capacity, turn on the system, and information will be shown on the instrument. Unplug battery and charger when not in use. c. Remove the rubber cover on the charging port located on the battery housing. d. Connect the DC output plug from the charger to the charging port on the battery. e. Plug the charger into a power outlet. Charging will be indicated by a red light. A completely discharged battery will require about 5.5 hours to be fully charged. After charging is complete, the indicator on the charger shows green light. There is not any switch on the charger. f. Disconnect the battery when it is completely charged.
NOTICE
Do not push the pedals when the battery is charging on the bicycle. The charge socket on the battery may be damaged
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HMI DISPLAY & PAS REMOTE

WARNING

When riding the electric bicycle, using the assistance instrument may distract you, causing unexpected risks. Only access PAS under proper traffic conditions. Access the information when bike is parked. Please slow down and use caution on a slippery pavement.

Button Definition

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Button Power PAS + PAS Mode Lights

Function
Turn on/off display
Press to increase PAS Level from 0-5 as needed. Then press button to switch functions. Press to decrease PAS Level 5-0 as needed. Long press for @ Level 0 for walk mode. Long press the adjust buttons to perform specific function operation. Long press “M” button within 10s to enter parameter setting interface
Turn on/off light

Definition of Button Operation
Operation Type Short Press Long Press

Description To activate function, press button and release quickly To select function, press and hold approximately 2 seconds
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Basic Function Operation Turn on/off the display To turn on display, long press Power-On button until Boot Interface Screen appears and shortly enters the Basic Interface/Home Screen. To turn off, long press Power-On button until display is turned off. If the rider does not perform any operation on the display within set shutdown time, while speed is 0, and current is less than 1A, then the bike and display will be turned off automatically.
Assist Level Switch During normal working stateshort press “+” or “­” buttons to switch assist level and change assist mode up or down. Digital power assist display mode levels 0-5 are shown below:
Short press “+” or “-” button to switch assist level. Switching level is not cycled, after reaching 5th level, short press “- ” button to return to off level. It is the same when adjusting up.
Information Switch In a power-on state, short press “M” button to switch alternately from Basic Interface/Home Screen to Function/Information Screens. The switching process of each screen is shown in illustration.
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Boot Interface Screen Press “M” button to go to next screen.

Basic Interface/Home Screen

Function/Information Screens 52

Light Control Function Short press “Light” button to manually turn on or off bike light. The icon on the top right corner of the Basic Interface/Home Screen indicates the lights are on. When lights are on, short press “Light” button to turn off lights. When lights are on, screen brightness will be lowered to preset brightness level.
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Maintenance reminder Display supports maintenance reminder function. When this function is enabled, the display will remind the user to contact bike shop for regular maintenance. The reminder is set to appear at a preset default value of ODO 3,106mi (5000km). End user is not allowed to change this default setting.
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Walk Assist Function When speed is 0, Long Press “-” button to enter walk assist mode. The motor outputs power according to the set speed and controls the actual walk speed. The display shows the walk assist icon and the realtime speed. Release “-” button or press any button to exit walk assist mode. The motor is turned off, and the display goes back to the Basic Interface/Home Screen. Walk Assist Interface shown right.
Battery Power Indicator and Assist Power Output Battery power information is divided into battery bar indication and remaining percentage indication. When battery power is normal, battery capacity is divided into 5 bars. Before communication is established, the battery percentage is not displayed, and the power bar is full and blinks at 2Hz. After battery info is acquired, power bar will stop blinking, and displays the power percentage. If communication is not successful within 3s, it will stop blinking and no power percentage will be displayed. After battery capacity is lower than 5% or the voltage is lower than low voltage value, display will enter the low-voltage mode. In this mode battery level showed level 0 and border blink at 1Hz, with no power output from the motor, and disabled assist level switch. Power assist level is displayed as OFF or 0. To get out of low-voltage mode, reset, and increase the voltage above low-voltage value and battery capacity above 5%.
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Percentage of Battery Power and Power Level Table Battery % info is required from BMS or controller:

SOC

Battery level

80% SOC

60% SOC < 80% 40% SOC < 60% 20% SOC < 40%

10% SOC < 20%

5% SOC < 10%

0% SOC < 5%

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Description Full battery level 5 Level 4 Level 3 Level 2 Level 1 Level 0
Level 0 and icon blink at 1Hz

Battery Indicator When there is a battery communication error
-Display will estimate the power according to the voltage and show the battery level accordingly. -No battery percentage information will be shown. -Range information will not be displayed. -If the voltage is lower than the low-voltage value, the effect of the current on voltage needs to be considered when converting to a voltage at 0 current. Setting Function Display provides specific parameter setting functions. The optional items of setting function will be deleted according to different market and product standards. The following is the complete parameter setting, information reading function description under the default state of display. Please contact our sales and technical support team for confirmation in case of any discrepancies. -Within 10s after turning on display, long press “M” button to enter setting interface, short press “+” or “-” button to switch between setting interfaces. -Under any setting interface, short press “M” button to enter parameter editing state, the blue mark indicates chosen parameter, and selected option or value will be indicated by a white font with a grey background. -Short press “+” or “-” button to edit parameters. -Long press “M” button to confirm parameter selection. Long press “M” button again to exit and return to previous page. -Selected option or value will be indicated by a white font with grey background. See Illustration.
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Under any setting interface, short press “M” to enter the next level menu, and long press “M” button to return to the previous level menu. Example of common interface setting screens:
CAUTION
Walk mode should only be used while dismounted from bike and with both hands on the handlebars. Always keep at least one hand on a brake lever to allow for quick cutoff of the motor assistance if necessary to maintain control of the bike.
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Setting items

Interface

Unit setting

Description Setting data

Remark

UNIT

Value=KM/H MPH

Default
Value=KM/H KM/H–Metric MPH–Imperial

Clock setting

SET TIME Customization

Default= 1200

When changing the time, press “+” or “-” to change the hour, then short press “M” button to confirm hour and move to minutes. Press “+” or “-” to change minutes, then short press “M” button to confirm minutes. Long press “M” button to return to previous menu.
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Data Clearance Data clearance is aimed at the removal of data information such as subtotal mileage TRIP, average speed, and maximum speed. 10s after display is turned on when display is at any of the function interfaces (not basic interface), long press “M” button to activate data clearance window, and short press “+” or “-” button to select accordingly. To remove the pop-up clearance window, long press “M” button or remain no operation for 30s.
After clearance, the subtotal mileage TRIP is 0, average speed, and max speed is 0. Riding analysis is also 0. ODO information cannot be cleaned manually on the display, professional service tools are required.
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Error Information Display can warn bike faults. When faults are detected, error code will be shown on display in place of speed and blink at 1 per second. When error code is shown, button functions will not be affected, meaning interfaces can be shown normally by pressing buttons. If no button operation after 5s, display will return to error code interface. Error code interface shown right. See Troubleshooting on page 71.
Carrying Loads The maximum weight limit for this bike is 242lb. (110 kg). This weight limit includes weight of rider and all items carried on bike. The rear rack weight limit is 59lb. (27 kg). Always make sure all items carried on bike are secured to prevent them from falling off during travel. Cargo should be carried as low as possible to lower center of gravity. Lower center of gravity improves handling and makes balancing bike easier. Cargo should never interfere with any moving bike components or drag on the ground. Carrying cargo load involves additional risks and requires particular care or attention.
WARNING
-Never exceed rated weight limit of bike or rear rack. Exceeding rated limit can damage bike or rack, damaged bike may cause rider to lose control and result in severe injury. -Never carry passengers on this bike. Passenger may fall from bike or become injured by moving parts. -Never carry oversized objects on bike that may interfere with rider. Oversized objects may cause rider to lose control and result in severe injury.
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BIKE ADJUSTMENTS

WARNING

Do not attempt to adjust or service bike if you are not confident in your ability to do so. Adjustments and service performed improperly may result in damage to bike, void warranty, accident resulting in serious personal injury or death.

Seat Position and Angle
– Loosen the seat adjustment bolt on the clamp located under the seat, using an Allen wrench. – Tilt the seat to adjust the angle. Do not exceed the limit markings on the seat rail. – Using an Allen wrench, tighten the bolt securely while holding the seat in the desired position.

Seat Height Sit on seat with ball of foot on pedal and pedal rotated to the lowest point. Position seat so that knee is slightly bent. Depending on user’s preference, lowering the seat so the user can put one or both feet on the ground without dismounting from the seat may offer a safer and more comfortable experience. To adjust the height of the seat:
– Swing the quick release lever to the open position. – Move seat up or down, set desired height. – Tighten the adjustment nut on the seat post properly. – Swing the quick release lever to the closed position. – Check to make sure the seat is secure by twisting it back and forth. Tighten until secure.

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WARNING
-Never ride with seat post raised beyond “Maximum Height Mark,” which is stamped on side of seat post. Always keep a minimum of 2-1/2″ of seat post in seat tube. Failure to do so may result in damage to bike and/or personal injury or death and may void warranty. -Be sure to tighten seat clamp/seat adjustment bolt properly, before first use. Failure to do so may cause damage to the bike, property, loss of control, a fall, severe injury, or death. Regularly check seat clamp for proper tightness.
Handlebar The height of the handlebars is a personal choice. To adjust handlebar height:
– Using Allen wrench and box wrench, loosen the stem bolt. – Carefully, tap bolt down using rubber mallet. – Manually raise or lower the stem to the desired height, then retighten bolt
WARNING
Do not extend any components of bike beyond any minimum insertion marking etched into the components. Ensure that all hardware is properly tightened, and components are secured before moving onto the next step. Failure to do so could result in damage to bike, properly, severe injury or death.
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WARNING
-Handlebar stem should never be positioned beyond the “Maximum Height Mark” stamped on the stem. Failure to keep a minimum of 2-1/2″ of the stem inside the tube may result in equipment failure and/or person injury or death and may void warranty. -Ensure the stem bolts are properly tightened to avoid loss of control, fall, serious personal injury, or death.
Adjust
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Brakes

WARNING

Before use, ensure proper brake function. Brakes, brake pads and cables not properly adjusted and aligned may cause brake failure, loss of control, severe injury, or death. Do not brake suddenly or while turning, especially going downhill. Do not ride with improperly adjusted brakes or worn brake shoes. Always activate brakes properly, first the rear, then the front, always together. Ensure brake arm is securely fastened. Failure to abide by these warnings may result in serious personal injury or death.

Brake Lever Reach If you find it difficult to squeeze the brake levers, your dealer can either adjust the reach or fit shorter reach brake levers.

CAUTION
The shorter the brake lever reach, the more critical it is to have correctly adjusted brakes, so that full braking power can be applied within available brake lever travel. Brake levers should NEVER touch handlebars when braking. The brake pads should be pressing hard to rims before levers are squeezed halfway to handlebars.
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CAUTION
Adjustment or modification of any brake component in a manner other than the manufacturer’s recommended method will void warranty on that component.
Hydraulic Brake Adjustment Realigning Calipers
– Position bike in well-lit area, on elevated bike stand or upside down. – Loosen brake caliper bolts one full turn or until caliper is loose . – Squeeze brake lever tightly to center caliper on rotor. – Tighten bolts to hold caliper in position when caliper is holding rotor. – Release lever and check that space between rotor and brake pads is even. – Spin wheel to test for rubbing. – Tighten the mounting bolts. – Take bike for test ride. Check for Rotor Rub – Position bike on elevated stand. – Spin wheels, check for gaps between rotor and brakes pads. – Check for rubbing between rotor and pads and adjust calipers to realign rotor if necessary. – Listen for clicking or scraping noise while tire spins and realign calipers to adjust brakes if
necessary.
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CAUTION
Ensure bolts are tightened securely and chain does not fall off.
Rear Derailleur Adjustment – Loosen cable adjustment barrel until chain touches 3rd sprocket counting from smallest sprocket and makes noise. (Counterclockwise) – Return the lever to its original position (the position where the lever is at the 2nd sprocket setting counting from the smallest sprocket and it has been released) and then turn the crank arm clockwise. If the chain is touching the 3rd sprocket counting from the smallest sprocket and making a noise, turn the cable adjustment barrel clockwise slightly to tighten it until the noise stops and the chain runs smoothly. Stop turning at the point where the noise just stops. – Operate lever to change gears, and check that no noise occurs in any of the gear positions.
For the best performance, periodically lubricate all power-transmission parts.
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Additional Rear Derailleur Adjustment – Shift rear shifter to largest number and place chain on smallest sprocket. – Vertically line up smallest sprocket and guide pulley by adjusting high limit screw. – Turn high limit screw clockwise to move pulley away from frame or counterclockwise to move pulley towards frame. – Shift through gears, ensuring each gear shifts quietly and without hesitation. If necessary, use barrel adjuster to fine-tune each gear by turning it the direction you want chain to go. For example, turning clockwise will loosen cable tension and move chain away from wheel, while turning counterclockwise will tighten cable tension and direct chain towards wheel. – Shift rear shifter to gear one and place chain on largest cog. – Adjust low limit screw in small increments until guide pulley and largest cog align vertically. Turn low limit screw clockwise to move pulley closer to frame; counterclockwise to move pulley away from frame. – Again, shift through each gear several times, ensuring each gear is achieved smoothly. It may take several attempts before rear derailleur and cable are adjusted properly.
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CAUTION
Failure to adjust shift levers as specified by the manufacturer will void any warranty related to those components and can damage derailleurs and gear system. When shifting, ensure pedals are in forward motion, never shift while pedaling backwards. Never force levers. Ease up on pedal pressure. Never shift more than one or two gears at a time. Never shift misadjusted derailleur on the largest or smallest sprocket.
Shift Lever Take your bike to an Authorized Service Center if your shift lever needs to be adjusted or:
– Loosen the bolt keeping the shifter attached to the handlebar. – Find your desired placement on the right-hand side of the handlebar as well as the angle.
YOUNG ELECTRIC recommends positioning the shifter in an area so that your fingers can easily access the levers and can smoothly shift between gears. – Tighten the bolt.
WARNING
Always properly maintain and care for your bicycle so original quality and safety are retained. To reduce the risk of accidents and injury, have your bike maintained, adjusted, and repaired by an Authorized Service Center or certified, reputable bike mechanic. For more information, please contact us at cservice.fus@youngelectricbikes.com or 888-332-8582 / 888-933-8899.
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MAINTENEANCE, CLEANING & STORAGE Basic Bike Care To ensure safe riding conditions you must properly maintain your bike. It is recommended you consult a certified bike mechanic regularly to ensure your bike is safe for use and fun to ride.
– Properly maintain batteries by keeping them fully charged between uses of more than two weeks apart. See the Long-Term Battery Storage section on page 36.
– Periodically check wiring and connectors ensuring no damage and connectors are secure. – Clean by wiping frame with damp cloth. Only use mild non- abrasive detergent with damp cloth,
never solvent. Never dry wipe dried on dirt. Dry by wiping with a clean, dry cloth. – Store under shelter; avoid leaving bike in rain or exposed to corrosive materials. If exposed to rain,
dry bike afterward and apply anti-rust treatment to chain and other unpainted steel surfaces. – Riding on beach or in coastal areas exposes your bike to salt, which is very corrosive. Wipe down
your bike frequently and wipe or spray all unpainted parts with anti-rust treatment. Damage from corrosion is not covered under warranty so special care should be given to extend life of bike when used in coastal areas or areas with salty air or water. – If hub and bottom bracket bearings have been submerged in water or liquid, they take out and regrease. This will prevent accelerated bearing deterioration. – If paint has become scratched or chipped in metal, use touch up paint to prevent rust. Clear nail polish can also be used as a preventative measure. – Do not store near electric motors, which can destroy rubber and paint. – Regularly clean and lubricate all moving parts, tighten components, and adjust as required. – Never immerse or submerge bike or components in water or liquid which could damage electrical system.
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– Regularly inspect all pre-attached and optional component hardware to ensure tight and secure attachment, and good working condition.
CAUTION
If you do not have the experience, skill, and tools to complete maintenance and adjustment of your bike, Young Electric bikes strongly recommends having a certified, reputable bike mechanic maintain, tune, and ensure the bike is safe to ride.
Tire Pressure & Inspection – See the side wall of bike tires for proper size for bike. These tires use a rubber inner tube to retain air pressure. The tires are designed for typical terrain and surfaces bike was intended to be used on. Only replace tires with a similar tire design of same size. – Always check all items related to Tires and Wheels listed in Pre-Ride Check before each ride. – Properly inflated tires will help to ensure best bike performance, longest range possible and maximum life of tires. Keep tires inflated to 40-65 psi (2.8-4/5bar) at all times. Never exceed maximum pressure listed on tire side wall. – Tires will lose air pressure over time. Always check tire pressure before operating the bike. Low tire pressure can result in damage to wheels that will be more difficult and expensive to repair. – Always replace tires with equivalent tires with reflective side walls. Bike is equipped from factory with this type of tire to provide most visibility in low light conditions. Keep tires clean to ensure reflective side wall can function properly. – Remove the valve cap and add air.
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– Be sure the tire is evenly seated on the rim, both sides. – Spin the wheel and check for high and low areas. – Complete inflation to the recommended psi found on the sidewall of the tire. – Ensure tire is evenly seated on rim, both sides. If not, release some air and repeat steps
shown above. – Check for dirt in the valve cap or stem. Clean dirt from cap or stem before adding air. – Securely replace the valve cap on the stem to keep dirt out of valve.
WARNING
-Never inflate a tire beyond the maximum pressure marked on the tire’s sidewall or the wheel rim. If the maximum pressure rating for the wheel rim is lower than the maximum pressure shown on the tire, always use the lower rating. Exceeding the recommended maximum pressure may blow the tire off the rim or damage the wheel rim, which could cause damage to the bike and injury to the rider and bystanders. -An unseated tire can rupture unexpectedly and cause serious injury or death. Be sure the tire is properly seated when inflating the tube. -Over inflation or inflating the tube too quickly may result in the tire blowing off the rim and damaging the bicycle or causing injury to the rider. Always use a hand pump to inflate the tube. Do not use a gas station service pump to inflate the tube.
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Recommended Service Intervals

Interval Weekly, 100-200 miles

Inspect -Check hardware. -Check drivetrain for proper alignment and function (including chain, freewheel, chainring, and derailleur). -Check wheel trueness and for quiet wheel operation (without spoke noise). -Check condition of frame for any damage. -Check and tighten pedals.

Service -Clean frame, chainrings, cassette, and derailleur pulleys with damp cloth. -Use barrel adjusters to tension derailleur/brake cables if needed.

Replace -Replace any components confirmed by Young Electric Bikes Technical Support or a certified, reputable bike mechanic to be damaged beyond repair or broken.

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Interval Monthly, 250-750 miles

Inspect -Check brake pad condition and alignment. -Check crankset and pedal torque. -Check bike shifts properly, proper derailleur cable tension. -Check chain stretch. -Check brake and shifter cables for corrosion or fraying. -Check spoke tension. -Check accessory mounting (rack mounting bolts, fender hardware, and alignment).

Service -Clean and lubricate drivetrain. -Clean brake and lube shift cables. -True and tension wheels if any loose spokes are discovered. -Wipe down and lubricate suspension fork (if applicable).

Replace -Replace brake and shift cables if necessary. -Replace brake pads if necessary.

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Interval Every 6 months, 7501250 miles

Inspect -Inspect all cables and housings. -Safety check all bolts. -Check bearing system. -Ensure drivetrain is working as normal.

Service -Standard tune-up by certified, reputable bike mechanic is recommended. -Grease bottom bracket. -Adjust gear shifters to ensure power functionality. -Adjust brakes to ensure proper functionality. -Lube both brake and gear shifting systems -True wheels if they wobble.

Replace -Replace brake pads. -Replace tires if necessary. -Replace cables and housings if necessary.

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TROUBLESHOOTING: cservice.fus@youngelectricbikes.com, https://youngelectricbikes.com/

Symptoms

Possible Cause

Most Common Solution

Bike Does Not 1. Depleted/very low battery

1. Charge Battery

Work

charge

2. Clean or repair connector

2. Faulty connections

3. Reinstall battery and ensure completely

3. Battery not fully seated in

seated

connector

4. Review manual, follow start procedure

4. Improperly turned on

5. Replace with new fuse, same size

5. Blown Discharge Fuse in

6. Disengage/free brakes

battery

6. Brakes applied or stuck

Reduced

1. Low tire pressure

1. Adjust tire pressure

Range

2. Low or faulty battery

2. Check connections and/or fully charge

3. Riding with too many hills,

battery

excessive load, headwind,

3. Assist bike with greater pedal effort,

applying brake while riding.

change route, reduce load on bike

4. Battery was left discharged for 4. Balance the battery. Contact Customer

long period of time without

Service or Authorized Service shop if

regular charging, aged,

reduced range persists.

damaged, or unbalanced cells. 5. Adjust the brakes to eliminate drag when

5. Brakes adjusted improperly

brake levers are not pulled, ensure

calipers and/or pads can move freely.

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Irregular Acceleration and/or Reduced Top Speed Motor Does Not Respond When Bike is Powered On
Battery Will Not Charge
Wheel or Motor Make Strange Noises
Brake Failure

1. Insufficient battery power 2. Loose of damaged throttle/PAS
controller 3. Damaged torque sensor in
bottom bracket 1. Loose/damaged wiring
connection 2. Loose/damaged throttle/PAS
controller 3. Loose/damaged motor
wires/plug 4. Damaged motor 1. Charger not connected
well/completely 2. Charger damaged 3. Battery damaged 4. Wiring damaged 5. Blown battery fuse 1. Loose/damaged wheel spokes
or rim 2. Loose/damaged motor wiring 3. Debris interfering with wheels 1. Air in brake line

1. Charge or replace battery 2. Replace throttle/PAS controller 3. Contact Authorized Service shop for
repair
1. Repair and/or reconnect 2. Tighten or replace 3. Secure, repair, or replace damaged
wires 4. Contact Authorized Service shop to
replace
1. Adjust the connections 2. Replace 3. Replace 4. Repair or replace 5. Reset circuit breaker or replace fuse
1. Tighten, repair, or replace 2. Reconnect or replace motor 3. Remove debris and inspect for damage
1. Get brake bleed kit

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Error Code Table: Error code will be shown in center of display where speed is displayed.

Code Error Description
04 Throttle does not turn back to zero, stays on high 05 Throttle failure 07 Overvoltage protection 08 Failure of motor’s hall signal wire 09 Failure of motor’s phase wire 11 Failure of the motor’s temperature sensor 12 Failure of the current sensor 13 Failure of the temperature of the battery 14 Controller temperature too high-reaches protection point 21 Failure of the speed sensor
22 Failure of BMS communication 30 Communication failure

Suggested Operation
Check if throttle is stuck Check throttle lever & cables Check battery voltage Check motor Check motor Check controller Check controller Check battery Check motor Check speed sensor install position & cable Change battery Check connector to controller

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SERVICE PARTS 79

Item # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Service Kit Description KIT SVC ASSY WHEEL REAR w/MOTOR KIT SVC DOCK BATTERY w/ CONTROLLER KIT SVC HMI DISPLAY KIT SVC REMOTE + THROTTLE KIT SVC ASSY HEADLIGHT + TAILLIGHT KIT SVC BATTERY CRUISER 15Ah KIT SVC CHARGER 48V, 3A FAST CHARGE KIT SVC ASSY BRAKE DISK REAR KIT SVC ASSY BRAKE DISK FRONT KIT SVC ASSY RACK REAR CRUISER KIT SVC CHAINGUARD CRUISER BLACK KIT SVC ASSY FORK SPRINGER CRUISER KIT SVC FENDERS CRUISER BLACK KIT SVC ASSY WHEEL FRONT KIT SVC CASSETTE 11-34T, 7-SPEED KIT SVC BLEED BRAKE HYDRAULIC
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Part Number FUS-12802200-0001 FUS-12802200-0002 FUS-12802200-0003 FUS-12802200-0004 FUS-12802200-0005 FUS-12802200-0006 FUS-12802200-0007 FUS-12802200-0008 FUS-12802200-0009 FUS-12802200-0010 FUS-12802200-0011 FUS-12802200-0012 FUS-12802200-0013 FUS-12802200-0014 FUS-12802200-0015 FUS-12802200-0032

LIMITED WARRANTY

WARRANTY REGISTRATION CARD

Owner Name: Address: City, State, Zip, Country: Phone

Model:

Color:

Electric bicycle Serial Number:

Battery Serial Number:

Model:

Color:

Dealer Name Address: City, State, Zip, Country: Date of Purchase:

Size

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Length of Warranty Every bicycle has a useful product lifespan. This limited warranty is not meant to suggest or imply that the frame or components can never be broken or will last forever. This limited warranty covers manufacturing defects that occur within the normal lifespan and use of the product. For Young Electric bike, the serial number is the certificate for after-sales (warranty). Before purchasing, please check the serial number in detail. In case of a worn serial number, please do not purchase the E-Bike. Please register your E-Bike information at youngelectricbikes.com. You must register your YOUNG E-Bike within 30 days of purchase for warranty to be valid.
· The Electric bicycle Serial Number is noted on the Master Carton. · The Electric bicycle Serial Number is noted on the bottom tube of frame. · The Battery Serial Number is noted on the battery pack. Warranty Conditions This limited warranty applies only to the original owner of the bicycle and is not transferable to subsequent owners or another transferee of the electric bicycle. Only the original owner of an electric bicycle purchased from YOUNG ELECTRIC online or YOUNG ELECTRIC authorized distributor or retailer is covered by Limited Warranty. The Warranty Period begins upon your receipt of the electric bicycle and shall end immediately when any sale or transfer of the electric bicycle is made, and under no circumstances shall the Limited Warranty apply to any subsequent owner or other transfer of the electric bicycle.
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Bike Frame: 5-year warranty All other mechanical components: 1-year warranty Electrical components: 2-year warranty
For any warranty claim to be considered, the E-Bike must be in an assembled, clean, and sanitary condition and accompanied by the original, dated sales receipt for the bicycle. Be sure to keep your receipt in a safe place!
This limited warranty is void if the bicycle is subjected to abuse, neglect, improper repair, improper assembly, lack of proper maintenance according to the owner’s manual, alteration, modification, installation of incompatible parts, corrosion, an accident or other abnormal, excessive, or improper use. This limited warranty is void if the bicycle is used in a rental or bike sharing program.
Damage resulting from normal wear and tear, including the results of fatigue, is not covered. It is the owner’s responsibility to regularly inspect and properly maintain his/her bicycle.
Some items that typically exhibit damage from normal wear and tear include: Bearings, Bearing races, Brake disks, Brake pads, Bushings, Cables and housing, Cassettes, Chain, Chain rings, Handlebar and grips, Rear shock mounting hardware, Saddles, Seals, Spokes, Tires, Tubes, Wheel hubs.
Damage to a Covered Component during shipping is not covered by this Limited Warranty, but YOUNG ELECTRIC will replace such damaged Covered Components if you:
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– Notify YOUNG ELECTRIC of a Covered Component damaged in the shipping process within thirty (30) days of your receipt of the electric bicycle.
– Provide YOUNG ELECTRIC with a dated picture of the damaged Covered Component. – Return all original packaging and paperwork included with the electric bicycle. – Note any immediately recognizable damage on the shipper’s Bill of Lading prior to signing off
on the shipment. – Shipping damage claims are very time sensitive, and it is your responsibility to immediately
inspect the electric bicycle for damage upon receipt.
Paint fading caused by the effects of ultraviolet light (UV), or outdoor exposure is not covered by this limited warranty. All labor charges for warranty service, including the transfer of components and/or any installation of new components, are the responsibility of the bicycle owner.
Due to product evolution and obsolescence (such as products that have been discontinued or are no longer kept in stock), some frames or components may not be available for older or limited-edition models. In these cases, Young Electric may elect to provide a replacement that it determines to be the most comparable model, but sourcing and paying for components is the responsibility of the bicycle owner.
All determinations under this limited warranty will be made in the sole discretion of YOUNG ELECTRIC, including but not limited to the decision to repair or replace a defective product, and what replacement product is the most comparable product then available.
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THE REMEDIES STATED ABOVE ARE THE EXCLUSIVE REMEDIES UNDER THIS WARRANTY. ANY AND ALL OTHER REMEDIES AND DAMAGES THAT MAY OTHERWISE BE APPLICABLE ARE EXCLUDED, INCLUDING, BUT NOT LIMITED TO, INCIDENTAL OR CONSEQUENTIAL DAMAGES, DAMAGES TO OTHER PROPERTY, OR ANY PUNITIVE DAMAGES.
THIS IS THE ONLY WARRANTY MADE BY YOUNG ON ITS FRAMES AND COMPONENTS, AND THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION HEREIN. ANY WARRANTIES THAT MAY OTHERWISE BE IMPLIED BY LAW INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE EXCLUDED.
PLEASE REFER TO THE DOCUMENTS INCLUDED WITH YOUR BICYCLE FOR POSSIBLE FURTHER RESTRICTIONS.
THIS LIMITED WARRANTY GIVES THE CONSUMER SPECIFIC LEGAL RIGHTS. THE CONSUMER MAY ALSO HAVE OTHER LEGAL RIGHTS WHICH VARY FROM STATE TO STATE OR COUNTRY TO COUNTRY. SOME STATES AND COUNTRIES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES OR WARRANTIES, SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU. IF IT IS DETERMINED BY A COURT OF COMPETENT JURISDICTION THAT A CERTAIN PROVISION OF THIS LIMITED WARRANTY DOES NOT APPLY, SUCH DETERMINATION SHALL NOT AFFECT ANY OTHER PROVISION OF THIS LIMITED WARRANTY AND ALL OTHER PROVISIONS SHALL REMAIN IN EFFECT.
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Distributed by Forcome Co., Ltd Email: cservice.fus@youngelectricbikes.com Toll- Free Number: 888-332-8582/ (888)-933-8899
https://youngelectricbikes.com/ Version
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References

• Electric Hunting Bike, Off-Road Electric Bike for Sale, YOUNG ELECTRIC – Young Electric
• Battery & Cellphone Drop-Off Locations | Call2Recycle
• Electric Hunting Bike, Off-Road Electric Bike for Sale, YOUNG ELECTRIC – Young Electric

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