Product SnowmobilePiston Back 09-806 Piston Kit For Yamaha Piston Kit 09-806 for Yamaha Snowmobile Type: Standard (STD) 01 (0.25) 02 (0.50) 03 (0.75) 04 (1.00) Item Number: 09-806 Description: Piston Kit , Bore 68mm You May Also Be Interested In 09-720-F Piston Kit (STD) For Polaris 09-604-04 Piston Kit For Arctic Cat 106-23601-07 Piston Ring For Robin VG-2106 Complete Gasket Kit For Yamaha