Shop by Brand Yamaha OutboardCrankcase ; Crank/Crankshaft ; Crank Pin/Crankshaft Pin Back Crankcase Assy 6B4-15100-00-1S Viewer:496 OEM No.: 6B4-15100-00-1S For YAMAHA outboard 9.9, 15 HP You May Also Be Interested In Crankshaft 688-11411-00/688-11411-01 Crank 63V-11432-00-00 Oil Seal 26-803514/803514 Reed Valve Assembly 677-13610-00-00