Yamaha - 6BG Fuel Pump Kit Fuel System Component 90891-40792-00. Overview. Fuel issues don't always show up at idle-they usually hit when you're trying to push the boat. I've seen engines fall flat under load just because the fuel pump couldn't keep up anymore. The Yamaha 6BG Fuel Pump Kit 90891-40792-00 is built to restore proper fuel delivery so the engine runs strong and consistent. It's one of those fixes that brings confidence back every time you throttle up.. Key Features. • Restores Fuel Delivery Performance - Helps maintain steady fuel flow to the engine.. • 6BG Engine-Specific Design - Built to match Yamaha 6BG fuel system requirements.. • Supports Consistent Engine Output - Reduces hesitation and power loss under load.. • Durable Internal Components - Designed to handle fuel pressure and continuous operation.. • Complete Service Kit - Includes components needed for proper fuel pump service or replacement.. Engine & Boat Compatibility. The Yamaha 6BG Fuel Pump Kit 90891-40792-