Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11635-00 0.25 Viewer:921 OEM No. : 689-11635-00-0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Kit 6H4-11636-01 0.50 Piston Kit 6E7-11636-00-00 0.50 Gasket 3C8-03121-0/3C8031210M Propeller 346-64102-5/346641025M