Yamaha Dressed Powerhead | OEM 6EE-WE090-04-1S | Fits 2009 & Up Yamaha F4 & F6 4 HP 6 HP 4-Stroke Single Cylinder Outboards | Compression Tested 150 PSI

Product Overview

Restore the performance of your Yamaha portable outboard with this genuine OEM Yamaha Dressed Powerhead, designed for 2009 and newer Yamaha F4 and F6 4-stroke single-cylinder outboards. This complete dressed powerhead includes the crankcase assembly, crankshaft, rotor assembly, and installed internal engine components, making it an excellent replacement for damaged or worn powerheads. Removed from a freshwater Yamaha F6LMHA 6 HP donor engine, this powerhead has been professionally inspected and tested. It produced 150 PSI compression, had good spark, and the cylinder shows no scoring, indicating a healthy engine ready for installation. Please note that this powerhead is sold AS-IS with no returns, so be sure to verify fitment using the OEM part number before purchasing.

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Key Features

• Genuine OEM Yamaha dressed powerhead
• Fits Yamaha F4 and F6 four-stroke outboards
• Freshwater donor engine
• Compression tested at 150 PSI
• Good ignition spark verified
• Cylinder bore free of scoring
• Complete dressed powerhead
• Ready for installation
• OEM Yamaha components
• Professionally inspected

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Technical Specifications

Specification	Details
Brand	Yamaha
Product Type	Dressed Powerhead
Condition	Used – Professionally Inspected
OEM Assembly Part Number	6EE-WE090-04-1S
Engine Type	4-Stroke
Cylinder Configuration	Single Cylinder
Horsepower	4 HP / 6 HP
Model Years	2009 & Newer
Compression	150 PSI

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OEM Part Numbers

Primary Assembly

• 6EE-WE090-04-1S – Crank Cylinder Assembly

Included Components

• 6BX-E1410-01-00 – Crankshaft
• 6BX-85550-00-00 – Rotor Assembly

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Compatible Applications

Designed for select Yamaha portable outboards including:

Model Years

• 2009 and newer

Horsepower

• 4 HP
• 6 HP

Engine Models

• Yamaha F4
• Yamaha F6

Engine Configuration

• 4-Stroke
• Single Cylinder

Donor Engine

• Yamaha F6LMHA
• 6 HP

Important: Always verify compatibility using your engine model, serial number, and OEM part number (6EE-WE090-04-1S) before purchasing. If you need assistance confirming fitment, EZ Boats Marine will be happy to help.

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Condition

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

• Removed from a freshwater engine
• Compression tested at 150 PSI
• Good ignition spark
• No scoring in the cylinder
• Clean internal components
• Ready for installation
• Sold AS-IS
• Comes exactly as shown in the product photos

Please review all product photos carefully before purchasing.

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What's Included

Your purchase includes:

• OEM Yamaha Crank Cylinder Assembly
• OEM Crankshaft
• OEM Rotor Assembly
• Installed internal engine components as pictured

Only the components shown in the product photos are included.

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Shipping Information

Your powerhead will be carefully packaged to protect all engine 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
• Compression Tested
• Freshwater Donor Components
• Clean Cylinder with No Scoring
• 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 powerhead?

Yes. This is an original OEM Yamaha dressed powerhead removed from a Yamaha F6LMHA 6 HP four-stroke outboard.

Has this powerhead been tested?

Yes. It was professionally inspected, produced 150 PSI compression, had good spark, and the cylinder bore showed no scoring.

Which engines does it fit?

This powerhead fits select 2009 and newer Yamaha F4 and F6 4-stroke single-cylinder outboards. Always verify compatibility using your engine's model, serial number, and OEM part number (6EE-WE090-04-1S).

What is included?

The sale includes the dressed powerhead, including the crank cylinder assembly, crankshaft, rotor assembly, and installed internal components shown in the product photos.

Does this powerhead include external accessories?

No. Only the components shown in the listing photos are included. Please review the images carefully before purchasing.

Is this covered by a warranty?

No. This powerhead is sold AS-IS and does not include a warranty or return policy. EZ Boats Marine has thoroughly inspected and accurately described its condition, and customer satisfaction remains our priority.

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 6EE-WE090-04-1S Dressed Powerhead is the correct replacement before you purchase.