Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6G0-11631-00 STD Viewer:883 OEM No. : 6G0-11631-00-STD For YAMAHA Outboard 20, 25 HP You May Also Be Interested In Piston Kit 69L-11636-00 0.50 Piston Kit 66T-11636-00 0.50 Bushing, Drive Shaft 6G1-45317-09-00 Piston Kit 689-11631-00 STD