Yamaha - Fuel Pump Assembly 6FP-13910-00-00. Overview. The Yamaha Fuel Pump Assembly 6FP-13910-00-00 is one of those parts that keeps your engine running smooth behind the scenes-until fuel flow starts getting inconsistent. When it begins to wear out, you'll feel it fast with hesitation, stalling, or uneven throttle response. It's responsible for keeping fuel moving at the right pressure so the motor runs steady under load. If your engine isn't performing like it should, this is a smart place to start.. Key Features. • Consistent Fuel Delivery - Maintains steady fuel flow for smooth and reliable engine operation.. • OEM Fit Precision - Built to Yamaha specifications for proper installation and dependable performance.. • Stable Pressure Output - Helps prevent fuel starvation and uneven engine response.. • Durable Marine Construction - Designed to handle vibration, heat, and harsh marine environments.. Engine & Boat Compatibility. F75 2017-2021F90 2016-2021VF90 2018-2021. FAQs. Q1: What