Yamaha Hose (L400) - 90445-10M96-00. Genuine Yamaha Hose for Secure Fluid Transfer. The Yamaha - Hose (L400) - 90445-10M96-00 is an authentic OEM replacement part designed to deliver consistent performance in demanding marine conditions. This hose plays a vital role in maintaining secure and uninterrupted fluid flow within your Yamaha outboard engine, helping to protect key systems from leaks or pressure loss.. Made from high-grade materials and cut to precise specifications, this 400mm hose ens