Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 676-11610-10 0.25 Viewer:838 OEM No. : 676-11610-10-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Kit 6G0-11635-00 0.25 Piston Kit 6G5-11635-00 0.25 Washer, Claw 90214-48M03-00 Plug, Straight Screw 90340-08002-00