Yamaha - Throttle Body 1 Air Intake Component 6P2-13751-00-00. Overview. Throttle response is something you notice right away on the water, especially when you're trying to get on plane or adjust speed in tight spots. I've worked on setups where the engine felt lazy or uneven, and it traced back to issues in the throttle body. When this component is right, airflow stays smooth and the motor responds exactly how you expect. It's a key piece in keeping the engine feeling sharp and controlled.. Key Features. • Controlled Airflow Management - Regulates incoming air for proper engine performance.• OEM Precision Design - Built to Yamaha specifications for accurate fit and function.• Responsive Throttle Operation - Supports smooth and predictable acceleration.• Durable Construction - Designed to handle heat, vibration, and continuous use.. Engine & Boat Compatibility. Designed for Yamaha outboard engines with electronic fuel injection systems. Commonly used across a range of Yamaha outboards