Shop by Brand Yamaha OutboardPiston/Piston Kit ; Piston Pin ; Piston Ring Back Piston Ring 6H4-11601-10 0.25 Viewer:843 OEM No. : 6H4-11601-10-0.25 For YAMAHA Outboard 40, 50 HP You May Also Be Interested In Piston Pin 6E7-11633-00 Piston Kit 679-11631-00 STD Gasket, Exhaust Manifold 664-41134-00-00/664-41134-A0-00 Propeller 6G5-45949-00-98