Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11635-00 0.25 Viewer:894 OEM No. : 689-11635-00-0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Kit 61A-11631-02 STD Piston Kit 61N-11635-00 0.25 Cylinder Head Cover 6B4-11111-00-1S Fuel Filter 35-816296K03/816296K03