Yamaha Fuel Pipe 1 7BN-F4311-00-00. Overview. The Yamaha Fuel Pipe 1 7BN-F4311-00-00 is a genuine original equipment manufacturer component designed to ensure consistent and reliable fuel transfer within your engine system. This fuel pipe plays a critical role in maintaining proper fuel flow, supporting efficient combustion and smooth engine performance.. Engineered to Yamaha's exact specifications, this component provides a precise fit and dependable operation. It is an ideal replacement for wo