Yamaha - Carburetor Assembly 2 Fuel System Component 6L1-14302-05-00. Overview. When an outboard starts idling rough or hesitating when you throttle up, the carburetor is usually where the issue shows itself. Over time, they wear out or get clogged, and no amount of cleaning fully brings them back. Swapping in a fresh Yamaha carburetor like this makes a noticeable difference right away. It's the kind of replacement that gets the engine running smooth and dependable again.. Key Features. Consistent Fuel Delivery - Provides steady fuel flow for smooth operation across all throttle ranges.. Pre-Calibrated Assembly - Built to Yamaha specifications for proper performance right out of the box.. Durable Internal Components - Designed to withstand 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 & Boat Compatibi