The determine reveals the vacuum clutch mechanism. This sort of clutch makes use of the existing vacuum from the engine manifold to work the clutch. The vacuum clutch is made of a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  The flywheel capabilities as an Electricity storage part, https://clutchplate65319.blogunok.com/33234110/not-known-details-about-clutch-plate