Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Kit 689-11635-60 0.25 Viewer:926 OEM No. : 689-11635-60 0.25 For YAMAHA Outboard 30 HP You May Also Be Interested In Piston Ring 6J8-11601-01-00 STD Piston Kit 6G5-11635-00 0.25 O-Ring 09280-05005-000 Piston Ring 61X-11605-00-00 0.50