Yamaha - Fuel Tank Fuel Storage Component 6BX-F4111-10-00. Overview. A lot of fuel problems don't start at the engine-they start here. The tank is where everything begins, and if it's not clean, sealed, and venting properly, you'll chase issues all the way down the line. I've seen engines stumble, lose power, or run rough just from contamination or poor fuel flow out of the tank. Keeping a solid tank in place keeps the whole system working the way it should.. Key Features. • Reliable Fuel Storage - Holds fuel securely to support consistent engine operation.. • Clean Fuel Supply Support - Helps reduce contamination entering the fuel system.. • OEM Fit Accuracy - Matches Yamaha factory specs for proper installation and integration.. • Durable Marine Construction - Built to handle fuel exposure, vibration, and harsh environments.. Engine & Boat Compatibility. Verify compatibility with your specific Yamaha outboard model and part number before installation.. FAQs. Q1: What are signs this f