Products Snowmobile- YamahaPiston Kit Back Piston Kit 09-8064-4 Item number: 09-8064-4 Brand: Yamaha CC: 535 Bore Size: 74mm You May Also Be Interested In Piston Kit 09-826-03 Piston Kit 09-807 Nut 95780-08300 O-Ring - End Cup 25-32546 / 32546