Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 677-11635-00 0.25 Viewer:944 OEM No. : 677-11635-00-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Ring 675-11610-20 0.50 Piston Ring 6R5-11605-00-00 0.50 Clutch, Dog 57621-87J02-000 Nut 09140-14008-000