Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11631-60 STD Viewer:941 OEM No. : 676-11631-60-STD For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Ring 676-11610-00 STD Piston Ring 682-11610-00-00/682-11610-01-00 STD Stop Switch Assembly 688-82575-01-00 Oil Seal, S-Type 93101-13M11-00