Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11631-02 STD Viewer:1500 OEM No. : 61A-11631-02-STD For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Kit 6H4-11631-01 STD Piston Ring 6K5-11601-12-00 0.25 Piston Ring 346-00011-0/346000110M STD Tab ,Trim 17264T2