Yamaha Fuel Pipe 2 Complete YA2-63626-02-01. Overview. The Yamaha Fuel Pipe 2 Complete YA2-63626-02-01 is a genuine original equipment manufacturer component designed to transport fuel safely and efficiently within the engine's fuel delivery system. This fuel pipe assembly ensures a secure connection between fuel system components, allowing fuel to flow smoothly from one stage of the system to another.. Fuel system components must maintain consistent pressure and leak-free connections to ensure