Yamaha - Fuel Hose Assembly Fuel Delivery System 6AW-2450B-00-00. Overview. Fuel delivery is one of those things you don't think about-until the engine starts starving or running rough. A solid hose assembly keeps fuel moving clean and steady from point to point without leaks or restriction. Over time, heat, vibration, and fuel itself can break hoses down, and that's when problems start creeping in. This Yamaha assembly is built to hold up to real use and keep your engine fed the way it should be.. Key Features. Consistent Fuel Flow - Maintains steady delivery to support smooth engine performance.. OEM Hose and Fitting Design - Built to Yamaha specifications for proper routing and secure connections.. Fuel-Resistant Construction - Designed to handle modern fuels and resist breakdown over time.. Pre-Assembled Convenience - Comes ready to install without needing to piece together separate components.. Engine & Boat Compatibility. Designed for Yamaha outboard engines using this style of f