Yamaha - Fuel Pump Assembly Fuel Delivery Component 6FM-13910-00-00. Overview. The Yamaha Fuel Pump Assembly 6FM-13910-00-00 is one of those parts that keeps your engine running steady without you thinking about it. When it starts to weaken or fail, you'll notice it quick-hard starts, hesitation, or the motor just not holding power like it should. It's responsible for delivering consistent fuel flow, so everything depends on it doing its job right. If your engine feels like it's starving for fuel, this is a solid place to start.. Key Features. • Consistent Fuel Delivery - Maintains steady fuel flow for smooth engine operation.. • OEM Fit Precision - Built to Yamaha specifications for proper installation and reliable performance.. • Improved Engine Reliability - Helps prevent stalling, hesitation, and uneven running.. • Durable Marine Construction - Designed to handle fuel exposure, vibration, and harsh conditions.. Engine & Boat Compatibility. • F20 2018-2021• F25 2016-2021• T25 2018-2