Shop by Brand Yamaha OutboardCrankcase ; Crank/Crankshaft ; Crank Pin/Crankshaft Pin Back Crankcase Assy 6B4-15100-00-1S Viewer:504 OEM No.: 6B4-15100-00-1S For YAMAHA outboard 9.9, 15 HP You May Also Be Interested In Crank 66T-11432-00 Crank 677-11432-00 Tube, Water 17561-92L60-000 Crankshaft 6A1-11400-00-00