Top End Cylinder Rebuild Kit - Yamaha YFM 80 Raptor Grizzly Badger - Complete with new Cylinder, Piston, Rings, Gaskets and Filters [4449-A2] Top End Cylinder Kit  Yamaha YFM 80 - 50 Caliber Racing Stock Aftermarket Replacement - OEM size piston - Oversized Cooling fins Complete bolt on kit - Includes Gaskets and Filters! Be a hero, fix your kid's bike! Fast and Free shipping to the USA (lower 48)