The key clutch is a sophisticated type of centrifugal clutch and is typically mounted to your output close on the engine crankshaft. The clutch has two sheave faces; one which is laterally fastened (stationary sheave), and one that can go in and out to engage the belt (moveable sheave). https://milopwaeh.blogsvirals.com/31597756/detailed-notes-on-gearbox-cvt