Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 688-11631-81 STD Viewer:1139 OEM No. : 688-11631-81-STD For YAMAHA Outboard 75 HP You May Also Be Interested In Piston Kit 6H3-11631-09 STD Piston Ring 676-11610-20 0.50 Nut, Castle 90179-08M06-00 Bearing 93306-20514-00