This Yamaha outboard engine crankshaft is a genuine OEM part and is perfect for anyone looking to replace their old or damaged one. With a stroke of 4 and a manufacturer part number of 6BG-11411-00-00, this crankshaft is removed from a F40LA model and is made in Japan. It comes with a 90-day warranty and is compatible with freshwater outboards. Please note that this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm, as indicated by the California Prop 65 Warning. Buy with confidence and get your Yamaha outboard back on the water with this high-quality crankshaft.