Yamaha - Fuel Cock Assembly Fuel System Component 6L5-24500-60-00. Overview. Fuel delivery issues can sneak up on you-hard starts, sputtering, or the engine just not getting steady flow. A lot of times, it traces back to the fuel cock not opening or sealing the way it should. This is one of those parts that keeps fuel flowing clean and controlled from the tank to the engine. When it's working right, you don't think about it-but when it's not, you definitely notice.. Key Features. Controlled Fuel Flow - Regulates fuel delivery from the tank to maintain consistent engine operation.. Integrated Shut-Off Function - Allows you to stop fuel flow when the engine is not in use.. Leak-Resistant Design - Helps prevent fuel seepage and maintain system integrity.. Factory-Spec Fitment - Designed to match Yamaha fuel systems for proper installation.. Durable Construction - Built to withstand fuel exposure and regular marine use.. Engine & Boat Compatibility. Designed for Yamaha outboard engines wit