Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11631-02 STD Viewer:1459 OEM No. : 61A-11631-02-STD For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Ring 6H4-11610-00-00 STD Piston Kit 676-11631-60 STD Gasket, Pump Guide Plate 3F0-65029-0/3F0650290M Carburetor Assembly 6AH-14301-20