* Model Year Variation: Transmission oil specifications can vary slightly between model years. You need to know the exact year of your YZ 85.
* Yamaha's Official Recommendations: The most reliable information will come from Yamaha's official service manual for your specific YZ 85 model year. This manual will outline the correct oil type, viscosity, and amount for your transmission.
* Local Yamaha Dealer: Your local Yamaha dealer is another excellent source of information. They can provide the most up-to-date recommendations and ensure you are using the correct fluids for your motorcycle.
Where to find the information you need:
1. Yamaha Owner's Manual: Look for your owner's manual that came with the motorcycle or find a digital copy online.
2. Yamaha Service Manual: You can usually purchase a service manual from your local dealer or online retailers like Amazon or eBay. This is the most comprehensive source for maintenance information.
3. Yamaha Dealer: Visit your local Yamaha dealer and ask for recommendations on transmission fluid.
Remember, using the wrong transmission oil can damage your motorcycle's transmission. Always consult the official sources for the most accurate information.
