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 09-801 Piston Kit 09-831-01 Piston Kit 09-716-01 Piston Kit 09-781