Yamaha ECU & Relay Assembly | OEM 6P2-8591A-10-00 | Fits 2002 Yamaha F225 225 HP V6 4-Stroke | Includes Main Relay | 1-Year Warranty

Product Overview

Restore reliable engine performance with this genuine OEM Yamaha ECU & Main Relay Assembly, designed for the 2002 Yamaha F225 225 HP V6 Four-Stroke outboard. This complete engine management package includes the factory Engine Control Unit (ECU) and Main Relay Assembly, providing the critical components required for proper ignition, fuel management, and engine operation. Removed from a tested freshwater Yamaha F225TXRA donor engine, this assembly has been professionally inspected and verified to be in excellent working condition. All wiring and connectors are intact, making it ready for installation. Backed by a 1-Year Working Warranty from Southcentral Outboards, this OEM assembly offers dependable performance and 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 ECU & Main Relay Assembly
• Fits 2002 Yamaha F225 225 HP V6 Four-Stroke outboards
• Removed from a tested freshwater engine
• ECU professionally inspected and verified in good working condition
• Includes OEM main relay
• No cut, burnt, or broken wires
• Clean connectors and mounting points
• Ready to install
• Backed by a 1-Year Working Warranty

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Technical Specifications

Specification	Details
Brand	Yamaha
Product Type	ECU & Main Relay Assembly
Condition	Used – Professionally Inspected
ECU Part Number	6P2-8591A-10-00
ECU Cross Reference	69J-8591A-02-00, 69J-8591A-01-00
Relay Part Number	69J-81950-00-00
Engine Type	3.3L V6 EFI Four-Stroke
Horsepower	225 HP

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OEM Part Numbers

ECU

• 6P2-8591A-10-00
• 69J-8591A-02-00
• 69J-8591A-01-00

Main Relay

• 69J-81950-00-00

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Compatible Applications

Designed for select Yamaha outboards including:

Model Year

• 2002

Models

• Yamaha F225
• Yamaha F225TXRA

Horsepower

• 225 HP

Engine Type

• 3.3L V6
• EFI Four-Stroke

System

• Engine Control Unit (ECU)
• Main Relay Assembly

Important: Yamaha ECUs are application-specific. Always verify compatibility using your engine's model, serial number, and OEM part number before ordering. If you're unsure, EZ Boats Marine will gladly verify fitment.

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Condition

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

• Removed from a tested freshwater donor engine
• ECU verified in good working condition
• Main relay included
• No cut, burnt, or broken wires
• Connector terminals clean and undamaged
• Ready for installation

Please review all product photos carefully before purchasing.

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What's Included

Your purchase includes:

• OEM Yamaha ECU (Engine Control Unit)
• OEM Main Relay Assembly

Only the components shown in the product photos are included.

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Shipping Information

Your ECU and relay assembly 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 & Tested Components
• Freshwater Take-Off Parts
• 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 ECU and Main Relay Assembly manufactured for Yamaha F225 Four-Stroke outboards.

Has this ECU been tested?

Yes. It was removed from a tested Yamaha F225TXRA freshwater donor engine and verified to be in good working condition before removal.

Which engines does it fit?

This assembly fits select 2002 Yamaha F225 225 HP 3.3L V6 EFI Four-Stroke outboards. Always verify compatibility using your engine's model, serial number, and OEM part number before ordering.

What is included with this listing?

Your purchase includes:

• OEM Yamaha ECU (6P2-8591A-10-00)
• OEM Main Relay (69J-81950-00-00)

Only the items shown in the product photos are included.

Is this covered by a warranty?

Yes. This ECU and relay assembly is backed by a 1-Year Working Warranty. If either component fails during normal use, EZ Boats Marine will replace it or issue 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-10-00 Yamaha ECU & Relay Assembly is the correct fit before you purchase.