Yamaha BNK-8591A-10-00 - Engine Control Unit Assembly is a genuine Yamaha part. This control unit processes signals and controls the system it is part of. Confirm part number BNK-8591A-10-00 against your Yamaha parts diagram before ordering.

---

Key Features & Benefits

• Replaces a failed or damaged control unit.
• Connects to the factory wiring harness for its location.
• Processes sensor inputs and controls the system it manages.
• Sold under Yamaha part number BNK-8591A-10-00.

---

Frequently Asked Questions

What part does Yamaha number BNK-8591A-10-00 refer to?

Yamaha number BNK-8591A-10-00 identifies the Engine Control Unit Assembly, a genuine Yamaha part. It replaces a failed electronic control unit with the specified Yamaha part.

Should I diagnose before replacing the Engine Control Unit Assembly (BNK-8591A-10-00)?

Yes. Control unit symptoms can be caused by wiring, sensors, or power supply issues. Confirm the fault with testing before installing part BNK-8591A-10-00.

How can I check that the Engine Control Unit Assembly (BNK-8591A-10-00) is the right part for my vehicle?

Find the Engine Control Unit Assembly in the Yamaha parts diagram for your exact model and year and confirm the part number shown matches BNK-8591A-10-00. A Yamaha dealer can also verify it with your model or VIN.

---

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.