The figure reveals the vacuum clutch mechanism. This sort of clutch employs the existing vacuum in the motor manifold to function the clutch. The vacuum clutch contains a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  If the clutch is engaged (clutch pedal up) the motor and gearbox https://daltonrcjqw.blogsidea.com/39398803/clutch-kereta-fundamentals-explained