Jacobo in AZ
All I use on my machine.
Clayton in MO
WORKS EXTREMELY WELL, ALMOST AS GOOD AS AN OLTRASONIC CLEANER.
Michael in California
30 year bike tech. Honda but mostly Yamaha dealer..product works great and when finished your left with a light gray finish
Michael in NV
Yamaha bikes get Yamaha fluids.
martin in MT
Adam in MI
Works nice and smooth if you wanna stick with the recommended oil for your Yamaha. Would buy again.