All Products SnowmobilePiston Kit Back 09-807 Piston Kit For Yamaha Piston Kit 09-807 Type: Standard (STD) 01 (0.25) 02 (0.50) 03 (0.75) 04 (1.00) Item Number: 09-807 Description: Piston Kit, Bore 66mm You May Also Be Interested In 09-709 Piston Kit For Polaris 09-752 Piston Kit For Ski-Doo 09-710203 Top End Gasket Set For Ski Doo 27577-88 Carburetor Float Bowl O-ring For Harley Davidson Watch Our Product Videos