Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11631-60 STD Viewer:970 OEM No. : 689-11631-60-STD For YAMAHA Outboard 25, 30 HP You May Also Be Interested In Piston Pin 688-11633-00 Piston Kit 6H4-11635-01 0.25 Impeller 688-44352-03-00 Gasket, Water Pump 6G1-24431-00-00/6G1-24431-01-00