Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 656-11631-60 STD Viewer:1421 OEM No. : 656-11631-60-STD For YAMAHA Outboard 20, 25 HP You May Also Be Interested In Piston Kit 6G0-11636-00 0.50 Piston Kit 689-11635-00 0.25 Damper, Water Seal 3 6L2-44367-10-00 Bush, Solid 626-45317-09-00