Yamaha - Body, throttle 1 - 68F-13751-01-00Yamaha Throttle Body Assembly 1 Air Intake Control Component 68F 13751 01 00 Overview Throttle bodies are one of those parts you really notice when theyre not right. If airflow isnt smooth or consistent, the engine starts acting uphesitation, rough idle, or poor throttle response. This assembly controls how air enters the engine, and when its dialed in, everything just feels right at the helm. A genuine Yamaha unit keeps that response clean and