Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 670-11631-01 STD Viewer:925 OEM No. : 670-11631-01-STD For YAMAHA Outboard 50, 60, 75, 85 HP You May Also Be Interested In Piston Ring 6F5-11610-00-00/6F6-11610-00 STD Piston Kit 6L1-11635-01 0.25 Oil Seal 09283-30077 CDI Unit Assembly 63V-85540-00-00/63V-85540-01-00