I really have no idea but running any tcw3 oil is fine on a Yamaha they have huge bearings on the crank and the load is down due to this,
Also the big bore big stroke engines are free ride engines and never get time to build any heat or load
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.