The primary clutch is an advanced type of centrifugal clutch and is usually mounted on the output conclusion with the motor crankshaft. The clutch has two sheave faces; one that is laterally preset (stationary sheave), and one which can move out and in to engage the belt (moveable sheave). https://gearbox-cvt42075.bloggip.com/32383960/gearbox-cvt-things-to-know-before-you-buy