Yamaha ECU Engine Control Unit | OEM 6P2-8591A-22-00 | Fits 2005–2009 Yamaha F250 & LF250 250 HP V6 4-Stroke | 1-Year Warranty

Product Overview

Restore dependable engine performance with this genuine OEM Yamaha ECU (Engine Control Unit), designed for 2005–2009 Yamaha F250 and LF250 250 HP V6 Four-Stroke outboards. This factory Yamaha ECU has been professionally inspected and is ready for installation, making it an excellent replacement for a damaged or malfunctioning engine control module. Built specifically for Yamaha's 3.3L V6 Four-Stroke F250/LF250 platform, this ECU provides reliable engine management and OEM performance. It is backed by a 1-Year Working Warranty from Southcentral Outboards for added peace of mind. Always verify compatibility using your engine's model, serial number, and OEM part number before purchasing.

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Key Features

• Genuine OEM Yamaha Engine Control Unit (ECU)
• Fits Yamaha F250 & LF250 250 HP V6 Four-Stroke outboards
• Professionally inspected
• Ready to install
• Clean connector terminals
• OEM factory calibration
• Ideal replacement for failed or damaged ECU
• Backed by a 1-Year Working Warranty

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Technical Specifications

Specification	Details
Brand	Yamaha
Product Type	Engine Control Unit (ECU)
Condition	Used
OEM Part Number	6P2-8591A-22-00
Engine Type	3.3L V6 EFI Four-Stroke
Horsepower	250 HP
Rotation	Standard (F250) & Counter-Rotation (LF250)

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OEM Part Numbers

Primary Part Number

• 6P2-8591A-22-00

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Compatible Applications

Designed for select Yamaha outboards including:

Model Years

• 2005
• 2006
• 2007
• 2008
• 2009

Models

• Yamaha F250
• Yamaha LF250

Horsepower

• 250 HP

Engine Type

• 3.3L V6
• EFI Four-Stroke

Important: This ECU is designed for the 2005–2009 Yamaha 3.3L V6 F250/LF250 platform. Always verify compatibility using your engine's model, serial number, and OEM part number before ordering. If you need assistance, EZ Boats Marine will gladly verify fitment.

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Condition

This Yamaha ECU has been professionally inspected and is in excellent used condition. Inspection highlights include:

• Genuine OEM Yamaha component
• Professionally inspected
• Connector pins clean and undamaged
• Mounting points in good condition
• No visible physical damage
• Ready for installation

Please review all product photos carefully before purchasing.

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What's Included

Your purchase includes:

• OEM Yamaha Engine Control Unit (ECU)

Only the components shown in the product photos are included.

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Shipping Information

Your ECU will be carefully packaged to protect sensitive electronic components during shipping. We offer fast shipping throughout the United States, with international shipping available upon request. For an accurate shipping quote, please provide:

• Country
• ZIP or Postal Code
• Residential or Commercial Address
• Whether liftgate service is required

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Why Buy from EZ Boats Marine?

• Genuine OEM Yamaha Marine Parts
• Professionally Inspected Components
• 1-Year Working Warranty
• Honest Condition Descriptions
• Fast Nationwide & International Shipping
• Secure Packaging
• Experienced Marine Parts Specialists
• Dedicated Customer Support

EZ Boats Marine is committed to supplying quality OEM marine parts backed by expert service and dependable customer support.

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Frequently Asked Questions

Is this a genuine Yamaha ECU?

Yes. This is an original OEM Yamaha Engine Control Unit manufactured for Yamaha F250 and LF250 outboards.

Which engines does it fit?

This ECU fits select 2005–2009 Yamaha F250 and LF250 250 HP 3.3L V6 Four-Stroke outboards. Always verify compatibility using your engine's model, serial number, and OEM part number before ordering.

What is the difference between the F250 and LF250?

The F250 is the standard-rotation model, while the LF250 is the counter-rotation version. This ECU is designed for compatible applications within both model ranges.

Is this covered by a warranty?

Yes. This ECU is backed by a 1-Year Working Warranty. If it fails during normal use, EZ Boats Marine will replace it or provide a refund if a replacement is unavailable.

Can EZ Boats Marine verify fitment?

Absolutely. Simply send us your Yamaha engine's model and serial number, and we'll confirm whether this genuine OEM 6P2-8591A-22-00 ECU is the correct fit before you purchase.