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 09-802-04 Piston Kit 09-831-02 Cylinder sleeve 496-44405-00 Gasket - Exhaust Pipe 68N-14623-00