Quote:
Originally Posted by Digger1
When I got the old Yamaha I figured I'd give it a treat and put in synthetic oil. Not good. Clutches slipping. Washed it out and went back to Yamalube. Later a parts man told me Valvoline motorcycle oil was good for clutches. Nope. Some slippage there too. Back to the old fashioned non slippery Yamalube for $10 a litre. Not really complaining, the old machine is a 1986 and running quite well! LOL
|
That doesn’t make any sense unless your clutch is so worn out that small differences in oil cause it to slip. A lot of bikes come with synthetic and friction modified (no real rule as to what that even is) oil in the motor as the initial fill.