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 09-800 Piston Kit 09-831-02 Nut, Flance 95707-08500 Pin, Float 676-14186-00