Yamaha Complete Ignition System | OEM 6D6-8591A-16-00 | Fits 2005–2017 Yamaha F75 & F90 75 HP 90 HP Inline-4 4-Stroke Outboards | CDI Tested | 1-Year Warranty

Product Overview

Restore dependable ignition and engine management performance with this genuine OEM Yamaha Complete Ignition System, designed for 2005–2017 Yamaha F75 and F90 75 HP / 90 HP Inline-4 4-stroke outboards. This complete factory ignition package includes the ECU, ignition coils, stator, pulser coil, wiring harness, relay box, rectifier/regulator, and associated ignition components, providing a comprehensive replacement solution for compatible Yamaha engines. Professionally removed from a Yamaha F75TLR freshwater donor engine, the ECU was CDI tested, confirming 735 engine hours with no fault codes. All components were inspected and tested for proper operation, with no cut, burnt, or broken wires, making this complete ignition system ready for installation. Backed by a 1-Year Working Warranty, this OEM Yamaha ignition package offers reliable performance and peace of mind.

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Key Features

• Genuine OEM Yamaha Complete Ignition System
• Fits Yamaha F75 and F90 Inline-4 four-stroke outboards
• ECU professionally CDI tested
• CDI diagnostic report included
• 735 verified engine hours
• No stored fault codes
• Complete ignition and engine management package
• All components tested and functioning
• No cut, burnt, or broken wiring
• Ready for installation
• Backed by a 1-Year Working Warranty

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Technical Specifications

Specification	Details
Brand	Yamaha
Product Type	Complete Ignition System
Condition	Used – Professionally Tested
Engine Type	Inline-4 4-Stroke
Horsepower	75 HP / 90 HP
Engine Models	Yamaha F75 / F90
Model Years	2005–2017
ECU Hours	735 Hours
Warranty	1-Year Working Warranty

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OEM Part Numbers

Primary ECU

• 6D6-8591A-16-00
• ECU Stamped: 6D6-8591A-10-00

ECU Supersession Chain

• 6D6-8591A-11-00
• 6D6-8591A-12-00
• 6D6-8591A-13-00
• 6D6-8591A-14-00
• 6D6-8591A-15-00
• 6D6-8591A-16-00

Included Components

Component	OEM Part Number
ECU	6D6-8591A-16-00 (Stamped 6D6-8591A-10-00)
Ignition Coils	63P-82310-01-00
Rectifier / Regulator	6D3-81960-01-00
Relay Box	63D-W8195-00-00 → 63D-81950-00-00
Cover	68V-81942-03-00
Wiring Harness	6D8-82590-34-00 → 6D8-82590-30-00
Stator	6D8-81410-00-00
Pulser Coil	6D8-85580-00-00

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Compatible Applications

Designed for select Yamaha outboards including:

Model Years

• 2005
• 2006
• 2007
• 2008
• 2009
• 2010
• 2011
• 2012
• 2013
• 2014
• 2015
• 2016
• 2017

Engine Models

• Yamaha F75
• Yamaha F90

Horsepower

• 75 HP
• 90 HP

Engine Configuration

• Inline-4
• 4-Stroke

Donor Engine

• Yamaha F75TLR

Important: Always verify compatibility using your engine model, serial number, and OEM part numbers before ordering. If you need assistance confirming fitment, EZ Boats Marine will be happy to help.

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Condition

This Yamaha Complete Ignition System has been professionally inspected and tested. Inspection highlights include:

• ECU CDI tested
• 735 verified engine hours
• No fault codes stored
• CDI diagnostic report included
• All components tested and functioning properly
• No cut, burnt, or broken wires
• Complete ignition system
• Ready for installation

Please review all product photos carefully before purchasing.

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What's Included

Your purchase includes:

• OEM ECU
• OEM Wiring Harness
• OEM Ignition Coils
• OEM Stator
• OEM Pulser Coil
• OEM Relay Box
• OEM Rectifier / Regulator
• OEM Cover
• CDI Diagnostic Test Report

Only the components shown in the product photos are included.

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Shipping Information

Your ignition system will be carefully packaged to protect all electrical 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 CDI Tested
• CDI Diagnostic Report Included
• Complete OEM Ignition Package
• All Components Tested
• 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 ignition system?

Yes. This is an original OEM Yamaha Complete Ignition System removed from a Yamaha F75TLR four-stroke outboard.

Has the ECU been tested?

Yes. The ECU was professionally CDI tested, confirming 735 engine hours, no stored fault codes, and proper operation. A CDI diagnostic report is included with the purchase.

What components are included?

The package includes the ECU, ignition coils, stator, pulser coil, wiring harness, relay box, rectifier/regulator, cover, and the CDI diagnostic report, as shown in the product photos.

Which engines does it fit?

This complete ignition system fits select 2005–2017 Yamaha F75 and F90 Inline-4 4-stroke outboards. Always verify compatibility using your engine's model, serial number, and OEM part numbers before ordering.

Is this covered by a warranty?

Yes. This OEM Yamaha Complete Ignition System is backed by a 1-Year Working Warranty. If any component fails during normal use within the warranty period, EZ Boats Marine will repair, replace, or refund the item 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 6D6-8591A-16-00 Complete Ignition System is the correct replacement before you purchase.