How to Change Honda VTX 1800 Final Drive Oil

Changing the final drive oil in a Honda VTX only takes a handful of minutes, and can save you hundreds of dollars in costly rear differential repairs. 

This simple bit routine maintenance task is something you should do at least once a year or every 12,000 miles. Follow the step-by-step guide below and watch our Honda VTX 1800 final drive fluid change video above to get this job done.

Tools and Parts Needed – Honda VTX Rear Diff Oil Change

Tools

  • Ratchet and 17mm socket
  • Drain pan
  • Torque wrench

PRO TIP: Before getting started, take your Honda motorcycle for a short ride to warm up the final drive oil, which helps it drain out faster. 

Honda VTX 1800 final drive fluid change

Changing Honda VTX 1800 Final Drive Oil

Step 1. Remove the fill plug and the O-ring from the final drive assembly. Inspect the O-ring for wear and replace it if necessary. 

Honda VTX final drive fluid drain fill plug

Step 2. Remove the drain plug and the crush washer from the final drive assembly.

Step 3. Drain out the final drive fluid.

Honda VTX 1800 final drive fluid drain

Step 4. Install a new crush washer and reinstall the drain plug. Torque the drain plug to 14-foot pounds.

NOTE: Crush washers are designed for single use only, so it’s highly recommended you replace it with every oil change, even if it looks like it’s reusable. 

Step 5. Refill the final drive assembly with Honda hypoid gear oil until the oil just begins to spill out over the threads of the fill hole.

Honda VTX 1800 final drive fluid change

PRO TIP: Make sure the motorcycle is on a level surface when you refill the final drive assembly so you know you’re adding the correct amount.

Step 6. Reinstall the fill plug and O-ring, then torque the fill plug to 14-foot pounds and you’re done.

Honda motorcycle final drive fluid change

Ready to change the engine oil on your Honda motorcycle? Watch the video below to see how to change the oil in a Honda VTX 1800. 

 
OIL, SHAFT DRIVE
Honda

OIL, SHAFT DRIVE

Qty.
DRAIN WASHER
Honda

DRAIN WASHER

Qty.
O RING
Honda

O RING

Qty.

body

Why Partzilla?

Commercial Discounts

Special discounts for companies in the powersports industry

Details

Government Sales

Discounts for federal and most state and municipal agencies

Details