This product has been superseded by: 6DA-13751-01-00. Yamaha - Throttle Body 1 Air Intake Component 6DA-13751-00-00. Overview. The Yamaha Throttle Body 1 6DA-13751-00-00 is a key component in controlling airflow into your engine, directly impacting throttle response and overall performance. It regulates how much air enters the combustion chamber, ensuring the correct balance with fuel for efficient operation. If the throttle body becomes dirty, worn, or malfunctioning, you may notice hesitation, rough idle, or reduced engine responsiveness. Replacing it helps restore smooth acceleration and consistent engine performance.. Key Features. • Precise Airflow Control - Regulates air intake for proper fuel-air mixture and combustion.. • OEM Fit Precision - Built to Yamaha specifications for seamless integration and reliable performance.. • Improved Throttle Response - Helps restore smooth acceleration and consistent engine output.. • Durable Construction - Designed to withstand heat, airflow