Products Snowmobile- YamahaPiston Kit Back Piston Kit 09-8064-1 Item number: 09-8064-1 Brand: Yamaha CC: 535 Bore Size: 73.25mm You May Also Be Interested In Piston Kit 09-813-02 Piston Kit 09-826-03 Gasket - Muffler Damper 6M6-14739-00 / 6M6-14739-A1 Full Gasket Kit 09-711214