Yamaha 1HS-8591A-00-00 - Engine Control Uni is a genuine Yamaha part. It is an original equipment replacement part for select Yamaha ATVs.

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Key Features & Benefits

• Genuine Yamaha OEM part, number 1HS-8591A-00-00.
• Fits 2 Yamaha models from 2012 to 2014.
• Direct replacement for the original part on the listed Yamaha models.

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Fits These Yamaha Models

• YFM550 Grizzly FI 4x4 Auto - 2012-2014
• YFM550 Grizzly FI 4x4 Auto EPS - 2012-2014

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Frequently Asked Questions

What is Yamaha part 1HS-8591A-00-00?

1HS-8591A-00-00 is a genuine Yamaha engine control uni for select Yamaha ATVs.

Is 1HS-8591A-00-00 a genuine Yamaha part?

Yes, 1HS-8591A-00-00 is a genuine Yamaha OEM part.

Which Yamaha models fit 1HS-8591A-00-00?

This part fits the YFM550 Grizzly FI 4x4 Auto (2012-2014) and YFM550 Grizzly FI 4x4 Auto EPS (2012-2014). Confirm the exact model and year 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.