Products Snowmobile- YamahaPiston Kit Back Piston Kit 09-8064-3 Item number: 09-8064-3 Brand: Yamaha CC: 535 Bore Size: 73.75mm You May Also Be Interested In Piston Kit 09-831-03 Piston Kit 09-826-03 Gasket 61X-13566-A1 / 61X-13566-A0 Seal Rubber - Water Inlet Tube 26-36557 / 36557