The first clutch is a complicated form of centrifugal clutch and is typically mounted towards the output end of your motor crankshaft. The clutch has two sheave faces; one that is laterally preset (stationary sheave), and one that can transfer in and out to engage the belt (moveable sheave). https://gearbox-cvt54297.mpeblog.com/57055544/a-review-of-cvt