Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 676-11635-60 0.25 Viewer:888 OEM No. : 676-11635-60-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6H3-11631-09 STD Piston Ring 6J1-11610-00-00 STD Oil Seal 91251-ZV5-003 Washer, Plate 90201-25M05-00