Yamaha - Carburetor Assembly 1 Fuel System Component 6L2-14301-11-00. Overview. When an outboard starts idling rough or struggling to respond cleanly, the carburetor is usually the root of it. Over time, they wear out or get clogged internally, and cleaning only goes so far. Swapping in a fresh Yamaha carburetor like this brings everything back to smooth, predictable performance. It's the kind of fix where you feel the difference right away-steady idle, clean throttle, and no guessing.. Key Features. Consistent Fuel Delivery - Provides steady fuel flow for smooth performance across all throttle ranges.. Pre-Calibrated Assembly - Built to Yamaha specifications for reliable operation right out of the box.. Durable Internal Components - Designed to handle fuel exposure and long-term marine use.. Factory-Spec Fitment - Ensures proper alignment and seamless integration with Yamaha engines.. Restores Engine Performance - Helps eliminate rough idle, hesitation, and uneven running.. Engine & B