The primary clutch is a sophisticated sort of centrifugal clutch and is often mounted to the output stop with the motor crankshaft. The clutch has two sheave faces; one which is laterally preset (stationary sheave), and one that can shift in and out to engage the belt (moveable sheave). https://gearboxcvt08630.fireblogz.com/63666177/helping-the-others-realize-the-advantages-of-cvt