Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 688-11631-81 STD Viewer:1123 OEM No. : 688-11631-81-STD For YAMAHA Outboard 75 HP You May Also Be Interested In Piston Kit 682-11631-00 STD Piston Pin 676-11633-00-00 Piston Ring 39-18212A4/18212A4 STD Drive Shaft-X Long 45-881942/881942