Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 677-11635-00 0.25 Viewer:943 OEM No. : 677-11635-00-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Kit 6F6-11636-00 0.05 Piston Kit 6G5-11635-00 0.25 Diaphragm 6G1-24411-00-00 Fuel Pump 393632/0393632