Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 688-11631-03 STD Viewer:1128 OEM No. : 688-11631-03-STD For YAMAHA Outboard 48, 55, 75, 85 HP You May Also Be Interested In Piston Kit 64D-11631-00 STD Piston Ring 6D3-11603-00-00 STD Piston 361-00004-0 0.50 Fuel Connector 1213238T2