This Yamaha outboard engine exhaust guide assembly is a genuine OEM part, perfect for those looking to replace or upgrade their current exhaust system. Made for the F40LA model, this 4-stroke engine has a stroke of 4 and comes with a 90-day warranty. The part is made in Japan and is compatible with California Prop 65 regulations. The assembly is designed specifically for Yamaha outboard engines and is a great fit for those looking for high-quality replacement parts. The product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm, so please use with caution. This item is listed in the Trim & Tilt category and is a must-have for anyone looking to maintain their outboard engine's exhaust system.