Yamaha - Throttle Body Assembly 1 - Fuel & Air Intake Component - 63P-13751-20-00

Overview

The throttle body is what controls how much air enters the engine, directly impacting throttle response and overall performance. When it starts to fail or clog, you’ll notice hesitation, poor acceleration, or uneven idle. This Yamaha throttle body assembly is built to restore proper airflow and keep the engine running smooth and responsive. It’s a critical component in the fuel and air intake system, especially on modern fuel-injected outboards.

Key Features

• Airflow Control System – Regulates the amount of air entering the engine for proper combustion.

• Improved Throttle Response – Helps restore smooth acceleration and engine performance.

• OEM Yamaha Fitment – Built to factory specifications for precise operation and installation.

• Integrated Intake Component – Designed to work seamlessly within Yamaha fuel-injected systems.

Engine & Boat Compatibility

• Compatible with select Yamaha outboards that utilize this throttle body assembly (confirm fitment by model and year)

FAQ

Q: What does a throttle body do?
A: It controls the airflow into the engine, which directly affects performance and throttle response.

Q: What are signs of a failing throttle body?
A: Hesitation, rough idle, poor acceleration, or inconsistent engine performance.

Q: Can this part affect fuel efficiency?
A: Yes, improper airflow can disrupt the air-fuel mixture and reduce efficiency.

Q: Should I clean or replace it?
A: Cleaning may help with buildup, but worn or faulty units should be replaced.

• Supersessions
  63P-13751-21-00, 63P-13751-21-00