The clutch is a control mechanism of a manual transmission which delivers power from the engine and gearbox to the driving wheel.
Todays motorcycle engines are one unit construction, powerplant, clutch, and gearbox with crankshaft and clutch geared together. Watch the video from TecknoMechanics for more info:
The heart of the clutch mechanism is a stack of alternating plates. This video explains the working of a Motorcycle Clutch with relevant animations.
Motorcycle clutch is a component which enables the engine power to engage or disengage with the gearbox in gradual and safe manner.