Yamaha 1KB-8591A-21-00 - Engine Control Unit Assembly is a genuine Yamaha part. This control unit processes signals and controls the system it is part of. Ordering by part number 1KB-8591A-21-00 ensures you receive the exact component Yamaha lists for its location.

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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.

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Frequently Asked Questions

What is the Yamaha Engine Control Unit Assembly (1KB-8591A-21-00)?

The Engine Control Unit Assembly is a genuine Yamaha part sold under part number 1KB-8591A-21-00. It replaces a failed electronic control unit with the specified Yamaha part.

What does the Engine Control Unit Assembly (1KB-8591A-21-00) control?

The Engine Control Unit Assembly manages the system it is wired into, using inputs from related sensors, as shown for part 1KB-8591A-21-00 in the Yamaha parts diagram.

Which Yamaha models use the Engine Control Unit Assembly (1KB-8591A-21-00)?

Model and year fitment data is not listed for 1KB-8591A-21-00 on this page. Look up your model's Yamaha parts diagram and confirm that it lists part 1KB-8591A-21-00 before ordering.

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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.