Secondary clutch plates?


It’s actually something about turbulence from the wind when the clutch turns at high speed.
If I recall correctly.
Someone else can chime in hopefully.
 
Just to smooth the surface of the clutch since its ribbed they tested it and found it produced drag. So they engineered them plates to reduce drag and used them on the two strokes on the four strokes they didnt use them because it makes more torque and can over power the little drag it had. I removed mine as well.
 
I also always took them off.
My uncle that got me into riding simply called them Frisbees, meant to be tossed. lol
 


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