........and the clutch is part of the............Powertrain!

 

Captain Planet says...
"Use entergy saving oil kids!"

U

 

so are the engine and transmission. The clutch may be important but is insignificant when it come to repair work. I change out most of the clutch pack at every oil change on my bike. Takes 15 mins. (I have about 20 plates soaking permanently in my garage.)

 

and the best oil is motul.