Shop by Brand Yamaha OutboardCylinder Head Back Cylinder Head Cover 6B4-11111-00-1S Viewer:291 OEM No.: 6B4-11111-00-1S For YAMAHA outboard 9.9, 13.5, 15 HP & 2 Stroke You May Also Be Interested In Cylinder Head Cover 6B4-11111-00-1S Cylinder Head 6H3-11111-01-1S Lower Unit Gasket Set 3C7-87321-2/3C7873212M Oil Seal 93101-14077