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 09-817 / 82M-11631-02 Piston Kit 09-813 Piston Kit 09-712-02 Oil Seal 92049-3005