Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 677-11635-00 0.25 Viewer:963 OEM No. : 677-11635-00-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston Ring 676-11610-20 0.50 Piston Ring 6H4-11601-00-00 STD Key, Woodruff 90752-ZW9-A30 Piston Ring 361-87123-0/361871230M STD