Products Snowmobile- YamahaPiston Kit Back Piston Kit 09-8064 Item number: 09-8064 Brand: Yamaha CC: 535 Bore Size: 73mm You May Also Be Interested In Piston Kit 09-831-04 Piston Kit 09-802-02 Water Tube Seal 26-88397 / 88397 Rubber Shaft Coupling 61X-4581J-00 / 6M6-4581J-00