The key clutch is an advanced sort of centrifugal clutch and is often mounted into the output close of your motor crankshaft. The clutch has two sheave faces; one which is laterally fixed (stationary sheave), and one which can shift in and out to engage the belt (moveable sheave). https://cvt86308.mybuzzblog.com/11994301/the-5-second-trick-for-gearbox-cvt