Yamaha - Carburetor Assembly 2 Fuel System Component 6L2-14302-02-00. Overview. When an outboard starts idling rough or hesitating on throttle, the carburetor is usually the first place I look. Over time, they wear out or get clogged, and cleaning only goes so far. Dropping in a fresh Yamaha carburetor like this brings everything back to smooth, steady operation. It's one of those fixes where you notice the difference right away the moment the engine fires up.. Key Features. Consistent Fuel Delivery - Provides steady fuel flow for smooth performance across all throttle ranges.. Pre-Calibrated Assembly - Built to Yamaha specifications for proper 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 & Boat Compatibility. Designed