Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 6F6-11635-00 0.25 Viewer:1111 OEM No. : 6F6-11635-00-0.25 For YAMAHA Outboard 40 HP You May Also Be Interested In Piston Ring 664-11610-20 0.50 Piston Kit 61N-11635-00 0.25 Bearing 93310-320U2-00 Needle Bearing 31-803734/803734 Watch Our Product Videos