Yamaha - Throttle Body Assembly Air Intake Component 6P2-13750-10-00 / 6P2-13750-13-00. Overview. Throttle bodies are one of those parts you really notice when they're not right. I've worked on engines that felt sluggish or uneven, and once the throttle body was sorted out, the difference was night and day. When airflow is clean and controlled, the motor responds instantly and runs smooth across the whole range. It's a key piece for keeping that sharp Yamaha feel when you hit the throttle.. Key Features. • Complete Throttle Body Assembly - Provides a full replacement for proper airflow control.• Precise Airflow Regulation - Ensures balanced air delivery for efficient combustion.• OEM Fit and Calibration Match - Built to Yamaha specifications for seamless integration.• Responsive Engine Performance - Supports smooth acceleration and steady throttle response.. Engine & Boat Compatibility. Designed for Yamaha outboard engines equipped with electronic fuel injection systems. Commonly used