VANCE HINES 71331 VO2 Naked Air Filter Kit Instruction Manual
- June 13, 2024
- VANCE HINES
Table of Contents
VANCE HINES 71331 VO2 Naked Air Filter Kit
Product Information
The Vance & Hines VO2 Naked Air Filter Kit (Part# 71331) is a high-performance
air intake system designed specifically for Harley-Davidson Touring models
from 2017 to 2022 and Softail models from 2018 to 2022. This air intake system
is crafted with precision
to provide maximum performance and a perfect fit for your motorcycle.
The VO2 Naked Air Filter Kit is exempt from emission tampering regulations under CARB EO# D-632-7, ensuring compliance with emission requirements for the specified Harley-Davidson models.
The product comes with a parts list that includes various screws, bolts,
gaskets, hoses, and a filter element. Additionally, the installation requires
specific tools such as T27 Torx wrench, Allen wrenches (3/16, 5/32, 5/16),
Loctite 243 (blue), 1/4 or 3/8
Drive Ratchet, 7/16 Hex Socket, and 5/16 and 5/32 Allen Socket. An inch-pound
torque wrench is also necessary for the installation process.
Vance & Hines provides a warranty of 90 days against defects in material and workmanship. However, the warranty does not cover discoloration or rust. The warranty is limited to the repair or replacement of the product if proven defective under normal use. The warranty does not cover systems that have been abused, misused, improperly installed, or modified. Labor charges for removing or replacing any system under warranty are not covered.
Product Usage Instructions
- To remove the OEM system:
- Remove the air filter cover by unscrewing the 5/16-18 x 1/2 OE button head cap screw in the center.
- Remove the filter element by unscrewing the three Torx head cap screws.
- Detach the breather hoses from the cylinder head breather bolts by pulling on them.
- Unbolt the cylinder head breather bolts to remove the molded plastic filter holder and gasket or o-ring. Ensure the throttle body surface is clean and dry. Note: CVO models require a separate purchase of HD part#16400049 bracket for installation.
- To install the Round Naked Air Filter Kit:
- Refer to the exploded view diagram for a clear understanding of the installation process.
- Apply Loctite 243 (blue) to the threads of all fasteners before installing or servicing the air cleaner.
- Install the cylinder head bleed bolts (8) through the induction module support bracket and into the heads, tightening them to 120-144 in-lbs (13.6-16.3 Nm).
- Insert the breather hoses (Front #6 & Rear #5) through the top two holes in the Venturi.
For any questions or assistance during the installation process, please contact Vance & Hines technical support at 562-926-5291.
Congratulations, you have purchased the finest air intake system for your
motorcycle on the market. Your Vance & Hines Air Intake system is designed and
crafted for maximum performance and a perfect fit. Please follow the
installation instructions below and if you have any questions, please call our
technical support line at 562-926-5291.
Exempt from emission tampering regulations under CARB EO# D-632-7 for
2017-2022 Harley-Davidson Touring and 2018-2022 Softail Models.
PARTS LIST
NO.| Description| Qty.| | 7 1/4-20 x 1/2 Hed Head Screw
3
---|---|---|---|---
1| 5/16-18 x 1/2 BHCS| 1| | 8 3/8-16 UNC-2A Bleed Bolt
2
2| 1/4-20 x 1/2 BHCS| 3| | 9 Throttle Body Gasket
1
3| Air Filter| 1| |
4| Venturi Naked Backing Plate| 1| |
5| Rear Breather Hose| 1| |
6| Front Breather Hose| 1| |
TOOLS REQUIRED
OEM SYSTEM REMOVAL
- Take off the air filter cover by removing the 5/16”-18 x 1/2” OE button head cap screw in the center.
- This will expose the filter element, which is then removed by taking out the three Torx head cap screws.
- Remove the breather hoses from the cylinder head breather bolts by pulling on them.
- Remove the molded plastic filter holder and gasket or o-ring by unbolting the cylinder head breather bolts. Be sure that the throttle body surface is clean and dry. NOTE: On CVO models, seperate purchase of HD part#16400049 bracket is required for installation.
INSTALLATION OF ROUND NAKED AIR FILTER KIT
- For a clear understanding of this installation it is best to refer to the exploded view diagram while reading these instructions.
- When installing or servicing the air cleaner, apply Loctite 243 (blue) to threads of all fasteners.
- Install the cylinder head bleed bolts (8) to 120-144 in-lbs (13.6-16.3 Nm) through the induction module support bracket and into the heads.
- Install the breather hoses (Front #6 & Rear #5) through the top two holes in the Venturi Backing Plate (4), aligned as shown. NOTE: Applying oil to the breather hoses prior to installation will allow for easier insertion.
- Using the three 1/4”-20 x 1/2” Hex Head Scews (7), sandwich the Venturi Backing Plate (4) w/ breather hoses (9&10), and the gasket (11) together as shown and install onto the throttle body. Make sure the Inside edges of all of these parts are aligned before tightening to 55-60 in-lbs (6.2-6.8 Nm).
- Insert the breather hoses (Front #6 & Rear #5) over the bleed bolts (8).
- Using the remaining three 1/4”-20 x 1/2” button head cap screws (2) install the air filter element (3) and torque to 55-60 in-lbs (6.2-6.8 Nm).
- This kit does not allow for the re-installation of the OEM air filter cover. If the Vance & Hines air filter cover is not to be used, install the 5/16”-18 x 1/2” button head cap screw (1) (supplied) in center hole of air filter.
- After 100 miles check to be sure that these bolts are still tight. Periodically ensure that these screws remain tight.
Emissions Notice:
In California, in order to meet Air Resources Board emissions requirements,
certain aftermarket part applications have been identified as replacements,
and others have received ARB Executive Orders. All other emissions related
aftermarket parts are for competition use only. A list of replacement parts
and EO parts, and corresponding
fitment is provided at
vanceandhines.com/california.
Warranty
All Vance & Hines products are warranted against defects in material and
workmanship for a period of 90 days. This warranty does not cover
discoloration or rust. This warranty shall be limited to the repair or
replacement of the product, which may be proven defective under normal use.
Vance & Hines will not warranty any system that has been abused, misused,
improperly installed or modified.
Dealers or distributors are not authorized to make dispositions binding upon
Vance & Hines. Vance & Hines will not be responsible for any labor charges
incurred in removing or replacing any system under warranty. A return
authorization number and a copy of the original purchase invoice must
accompany all returns. Parts returned without a return authorization may be
refused.
13861 ROSECRANS AVENUE / SANTA FE SPRINGS, CA 90670 SALES: 562-921-5388
TECHNICAL: 562-926-5291
FAX: 562-802-0110
vanceandhines.com
References
Read User Manual Online (PDF format)
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