Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11645-00 0.25 Viewer:1276 OEM No. : 61A-11645-00-0.25 For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Kit 64D-11635-00 0.25 Piston Kit 624-11631-00 STD Piston Kit 12110-96102-025 0.25 Housing, Bearing 688-45331-00-94/688-45331-00-CA