Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 61A-11631-02 STD Viewer:1536 OEM No. : 61A-11631-02-STD For YAMAHA Outboard 250 HP You May Also Be Interested In Piston Kit 6R5-11631-11 STD Piston Ring 66T-11605-00 0.50 Bearing 93306-209U0-00 Crankshaft 328842/0328842