Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11635-00 0.25 Viewer:895 OEM No. : 689-11635-00-0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Pin 6F5-11633-00 Piston Ring 6G0-11610-00 STD Anode 688-11325-00-00 Gasket 11141-92A01