Product Jet SkiPiston Back 290-887-060 Piston-0.25 For Seadoo 657 Item Number: 290-887-060 Description: Piston-0.25 You May Also Be Interested In 290-887-060 Piston-0.5 For Seadoo 657 290-887-670 Piston-0.5 For Seadoo 720 64D-W0093-00-00 Carburetor Repair Kit for Yamaha 65W-14901-12-00 Carburetor Assembly 1 For Yamaha