Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 689-11610-10/689-11610-11 0.25 Viewer:778 OEM No. : 689-11610-10/689-11610-11-0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Kit 6J8-11636-02-00 0.50 Piston Pin 689-11633-00-00 Gasket, Cylinder Head 695-11181-00-00 Gasket 27-81293911/81293911