Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11635-00 0.25 Viewer:928 OEM No. : 689-11635-00-0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Ring 61N-11603-00-00 STD Piston Kit 6R5-11642-01 STD Piston Kit 12110-93130-000 STD Power Head Gasket Set 3C8-87121-BF