Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 677-11635-00 0.25 Viewer:964 OEM No. : 677-11635-00-0.25 For YAMAHA Outboard 8 HP You May Also Be Interested In Piston 6L2-11635-00-00 0.25 Piston Kit 61A-11635-00 0.25 Outer Plate, Cartridge 682-44323-00-00 Connecting Rod 629-8130471/8130471