BIG BIKE PARTS 52-921 Trailer Hitch Kit Installation Guide
- June 13, 2024
- BIG BIKE PARTS
Table of Contents
BIG BIKE PARTS 52-921 Trailer Hitch Kit
Product Information
- Product Name: Trailer Hitch Kit
- Part Number: 52-921
- Manufacturer: Big Bike Parts, Inc.
- Fitment: Honda Goldwing/Goldwing Tour 2018-newer
Tools Needed:
- 5/16 (8mm) drill bit
- 3mm Allen wrench
- 10mm socket wrench
- 5mm Allen wrench
- 12mm socket
- 6 socket extension
- 13mm socket
- 13mm wrench
- 10mm wrench
- Level
- 1-1/8 (28mm) wrench
- Removable thread lock
- 19mm socket
- Small screwdriver
Product Usage Instructions
- Open both saddlebags and remove the side panels by pulling them off from the front first.
- Starting on the right side, remove the pillion step cover. Use a 10mm socket to remove the bolt on the top. Use a small screwdriver to push in the center of the two plastic rivets to release them. Use a 3mm Allen wrench to remove the small screw on the underside near the front.
- Repeat step 2 for the left pillion step cover.
- Remove the rear key access panel.
- Using a 5mm Allen wrench, remove the Allen screws and remove the rear fender by pulling it from the bottom.
- Unplug the plate light connector by pushing the release tab.
- On the left side, using a 12mm socket and a 6 socket extension, remove the bolt located under the pillion step cover.
- Replace the bolt with one of the M8 x 50mm bolts supplied. Put two flat washers on the bolt before installing it in the bike.
- On the left side, find the black bolt located between the bottom of the saddlebag and the top of the muffler cover. Using a 12mm socket and extension, remove the bolt and replace it with one of the fully threaded M8 x 60mm bolts supplied. Reuse the OEM washer.
- Repeat steps 7 through 9 on the right side of the bike.
- Go to the back of the bike and using a 10mm socket, remove the two bolts holding the rear fender support. These two bolts will be reused.
- On the inside of both M8 x 60mm long bolts, place an 8mm jam nut and tighten it against the muffler nut.
- Place an 8mm steel washer, a rubber washer, and another steel washer on both sides.
- Place the left side rail from the trailer hitch kit on the new bolts. Start a washer and lock nut on each bolt but do not tighten yet.
- Repeat step 14 on the right side and install the right side rail from the trailer hitch kit.
- Assemble the receiver mount to the side rails using four M8 x 25mm bolts. Place a flat washer and lock nut on the inside of each bolt.
- Tighten the four M8 x 25mm bolts close to tight but so you can still adjust the position of the receiver mount. Using a small level, move the receiver mount until it is straight. Tighten the four M8 x 25mm bolts.
- Place the silver-colored left and right support braces. Use the supplied M6 x 16mm long bolt and lock nuts on the bottom holes and through the hitch. Do not tighten yet.
Copyright© 2018 by Big Bike Parts, Inc. No part of this instruction sheet may
be reproduced without the written permission of Big Bike Parts, Inc.
4/23/2018| INSTALLATION INSTRUCTIONS
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PART NO. 52-921| TRAILER HITCH KIT
FITMENT:| HONDA GOLDWING/GOLDWING TOUR 2018-NEWER
TOOLS NEEDED:| DRILL| 5/16” (8MM) DRILL BIT| 3MM ALLEN WRENCH| 10MM
SOCKET WRENCH| 5MM ALLEN WRENCH
12MM SOCKET| 6”SOCKET EXTENSION| 13MM SOCKET| 13MM WRENCH| 10MM WRENCH
LEVEL| 1-1/8” (28MM) WRENCH| REMOVABLE THREAD LOCK| 19MM SOCKET**| SMALL
SCREWDRIVER
PLEASE READ THROUGH AND UNDERSTAND THESE INSTRUCTIONS BEFORE BEGINNING. USE REMOVABLE THREAD LOCK ON ALL FASTENERS ESTIMATED
INSTALLATION TIME: 60 TO 90 MIN. INSTALLATION IS EASIER IF YOU REMOVE THE REAR WHEEL BUT IS NOT NECESSARY
INSTALLATION
- OPEN BOTH SADDLEBAGS AND REMOVE THE SIDE PANELS BY PULLING THEM OFF FROM THE FRONT FIRST. SEE FIG. 1
- STARTING ON THE RIGHT SIDE REMOVE THE PILLION STEP COVER. USE A 10MM SOCKET AND REMOVE THE BOLT ON THE TOP. USE A SMALL SCREWDRIVER AND PUSH IN THE CENTER OF THE TWO PLASTIC RIVETS TO RELEASE THEM. USE A 3MM ALLEN WRENCH TO REMOVE THE SMALL SCREW ON THE UNDER SIDE NEAR THE FRONT.
- REPEAT STEP 2 FOR THE LEFT PILLION STEP COVER.
- REMOVE THE REAR KEY ACCESS PANEL SHOWN IN FIG. 3. PULL IT TOWARD YOU TO REMOVE IT.
- USING A 5MM ALLEN WRENCH REMOVE THE ALLEN SCREWS SHOWN IN FIG. 4. REMOVE THE REAR FENDER BY PULLING IT FROM THE BOTTOM.
- UNPLUG THE PLATE LIGHT CONNECTOR BY PUSHING THE RELEASE TAB SHOWN IN FIG. 5.
- ON THE LEFT SIDE USING A 12MM SOCKET AND A 6” EXTENSION REMOVE THE BOLT SHOWN IN FIG. 6 THAT WAS LOCATED UNDER THE PILLION STEP COVER.
- REPLACE THE BOLT YOU REMOVED WITH ONE OF THE M8 X 50MM BOLTS SUPPLIED. PUT TWO FLAT WASHERS ON THE BOLT BEFORE YOU INSTALL IT IN THE BIKE. SEE FIG. 7. TIGHTEN.
- ON THE LEFT SIDE FIND THE BLACK BOLT SHOWN IN FIG. 8. IT IS IN BETWEEN THE BOTTOM OF THE SADDLEBAG AND THE TOP OF THE MUFFLER COVER. USING A 12MM SOCKET AND EXTENSION REMOVE THE BOLT AND REPLACE IT WITH ONE OF THE FULLY THREADED M8 X 60MM BOLTS SUPPLIED. REUSE THE OEM WASHER AND TIGHTEN.
- REPEAT STEPS 7 THROUGH 9 ON THE RIGHT SIDE OF THE BIKE.
- GO TO THE BACK OF THE BIKE AND USING A 10MM SOCKET REMOVE THE TWO BOLTS HOLDING THE REAR FENDER SUPPORT SHOWN IN FIG. 9. THESE TWO BOLTS WILL BE REUSED.
- ON THE INSIDE OF BOTH M8 X 60MM LONG BOLTS (FROM STEP 9) PLACE AN 8MM JAM NUT AND TIGHTEN IT AGAINST THE MUFFLE NUT AS SHOWN IN FIG. 10.
- PLACE AN 8MM STEEL WASHER THEN A RUBBER WASHER AND THEN STEEL WASHER AS SHOWN IN FIG. 10 ON BOTH SIDES.
- PLACE THE LEFT SIDE RAIL FROM THE TRAILER HITCH KIT ON THE NEW BOLTS YOU INSTALLED AS SHOWN IN FIG. 11. START A WASHER AND LOCK NUT ON EACH BOLT BUT DO NOT TIGHTEN YET.
- REPEAT STEP 14 ON THE RIGHT SIDE AND INSTALL THE RIGHT SIDE RAIL FROM THE TRAILER HITCH KIT.
- ASSEMBLE THE RECEIVER MOUNT TO THE SIDE RAILS AS SHOWN IN FIG. 12. USE FOUR M8 X 25MM BOLTS AND PLACE A FLAT WASHER AND LOCK NUT ON THE INSIDE OF EACH BOLT.
- TIGHTEN THE FOUR M8 X25MM BOLTS CLOSE TO TIGHT BUT SO YOU CAN STILL ADJUST THE POSITION OF THE RECEIVER MOUNT. USING A SMALL LEVEL MOVE THE RECEIVER MOUNT UNTIL IT IS STRAIGHT. TIGHTEN THE FOUR M8 X 25MM BOLTS.
- PLACE THE SILVER COLORED LEFT AND RIGHT SUPPORT BRACES AS SHOWN IN FIG. 13. USE THE SUPPLIED M6 X 16MM LONG BOLT AND LOCK NUTS ON THE BOTTOM HOLES AND THROUGH THE HITCH AS SHOWN IN FIG. 13. DO NOT TIGHTEN.
- TAKE THE REAR FENDER SUPPORT YOU REMOVED AND USING A 5/16” DRILL ENLARGE THE TWO HOLES THAT THE BOLTS GO THROUGH.
- USING THE TWO OEM BOLTS YOU REMOVED REINSTALL THE BRACE GOING THROUGH THE TOP HOLES IN THE SUPPORT BRACES AND TIGHTEN.
- TIGHTEN THE TWO M6 X 16MM BOLTS AND LOCK NUTS.
- INSTALL THE M8 X 14MM BOLT SUPPLIED IN THE NUT SHOWN AT THE BOTTOM OF FIG. 12. DO NOT TIGHTEN.
- REINSTALL THE REAR FENDER, PILLION STEP COVERS, AND SIDE PANELS.
- INSTALL THE BALL MOUNT AND THE BALL USING THE SUPPLIED HITCH PIN.
- TIGHTEN THE M8 X 14MM BOLT AS NEEDED TO KEEP THE HITCH FROM MOVING WHILE IN USE.
- AFTER EACH USE CHECK ALL HARDWARE TO MAKE SURE IT IS TIGHT.
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