The piston in each cylinder compresses the mixture, raising its temperature so it either ignites spontaneously (in a diesel engine) or with help from a sparking plug (in a gas engine). The burning fuel and air explodes and expands, pushing the piston back out and driving the crankshaft ...
It's made of flat, solid/non-flexible, 1/8" thickness steel, with a bronze bushing (pilot bearing) pressed in the center to support the driveshaft, and have coiled/spiral pins to drive the clutch disc. This type of drive plate can also be used on the Cub Cadet "Quiet Line" rubber...
Normal wear is the most likely cause of slipping if the disc is worn down to the rivets and the clutch has high mileage. Oil leaking from a faulty rear main crankshaft seal or transmission input shaft seal also can contaminate the clutch linings and cause the clutch to slip. If a newly ...