The first clutch is a complicated method of centrifugal clutch and is typically mounted towards the output stop of your motor crankshaft. The clutch has two sheave faces; one that is laterally set (stationary sheave), and one that can shift out and in to interact the belt (moveable sheave). https://gearboxcvt86418.digiblogbox.com/57304699/gearbox-cvt-things-to-know-before-you-buy