Yamaha 2GB-8591A-81-00 - Engine Control Unit is a genuine Yamaha part. This control unit processes signals and controls the system it is part of. Use part number 2GB-8591A-81-00 to confirm it matches the component shown in your model's Yamaha parts diagram.

---

Key Features & Benefits

• Processes sensor inputs and controls the system it manages.
• Replaces a failed or damaged control unit.
• Connects to the factory wiring harness for its location.
• Sold under Yamaha part number 2GB-8591A-81-00.

---

Frequently Asked Questions

What part does Yamaha number 2GB-8591A-81-00 refer to?

Yamaha number 2GB-8591A-81-00 identifies the Engine Control Unit, a genuine Yamaha part. It replaces a failed electronic control unit with the specified Yamaha part.

What does the Engine Control Unit (2GB-8591A-81-00) control?

The Engine Control Unit manages the system it is wired into, using inputs from related sensors, as shown for part 2GB-8591A-81-00 in the Yamaha parts diagram.

Should I diagnose before replacing the Engine Control Unit (2GB-8591A-81-00)?

Yes. Control unit symptoms can be caused by wiring, sensors, or power supply issues. Confirm the fault with testing before installing part 2GB-8591A-81-00.

---

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.