Yamaha - Fuel Tank Assembly Fuel Storage Component 7CN-F4110-40-00. Overview. Fuel tanks are one of those parts you don't think about until something goes wrong. I've seen engines run rough or inconsistent just because of contamination or a compromised tank. When everything's sealed up right and clean, the whole fuel system works better. It's one of those components that keeps your setup reliable every time you head out.. Key Features. • Secure Fuel Containment - Holds fuel safely while minimizing leaks and contamination.• Durable Marine Construction - Built to handle vibration, movement, and harsh marine environments.• OEM Fit and Integration - Designed to match factory setup for proper installation and compatibility.• Consistent Fuel Supply Support - Helps maintain steady fuel delivery for smooth engine operation.. Engine & Boat Compatibility. Designed for Yamaha outboard engines that utilize a dedicated fuel tank assembly within the fuel system. Commonly used across a range of Yamah