Products Snowmobile- YamahaPiston Kit Back Piston Kit 09-8064-2 Item number: 09-8064-2 Brand: Yamaha CC: 535 Bore Size: 73.5mm You May Also Be Interested In Piston Kit 09-800-04 Piston Kit 09-802-01 Gasket - Hole Cover 6M6-81365-00 / 6M6-81365-A0 Drive Installation Gasket Kit 27-64818A1