Carburetor Rebuild Kit – Fits Yamaha 40HP Two-Stroke Outboards

Carburetor Rebuild Kit – Fits Yamaha 40HP Two-Stroke Outboards (Replaces 66T-W0093-00-00, 66T-W0093-01)

This carburetor rebuild kit is designed for Yamaha 2-stroke 40HP outboard engines, including models E40X, 40X, 40XMH, and 40XW, manufactured between 1998 and 2013.

It serves as a direct replacement for Yamaha OEM part numbers 66T-W0093-00-00 and 66T-W0093-01, providing the essential components for a complete carburetor overhaul.

• Installation Method: Direct OEM replacement for straightforward installation.
• Quality Standard: All parts are produced in an ISO9002 certified facility to ensure reliability.
• Fuel Compatibility: Designed for use with standard gasoline fuel systems.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 x 93210-46M16 O-Ring
• 1 x 93210-54M54 O-Ring
• 1 x 66T-14384-01 Float Chamber Gasket
• 1 x 66T-14536-00 Gasket
• 1 x 6E5-14323-03 Mixture Screw
• 1 x 6E5-14546-00 Needle Valve
• 1 x 6E5-14385-02 Float
• 1 x 6E5-14386-02 Float Pin
• 1 x 66T-14984-00 Float Chamber Gasket
• 1 x 66T-14992-00 Plug
• 2 x 66T-14959-00 Gasket
• 4 x 97980-05125 Screw

Installation Guide

1. Disconnect the battery and fuel lines from the engine.
2. Carefully remove the carburetor assembly from the intake manifold.
3. Disassemble the carburetor on a clean workbench, noting the location of all gaskets, jets, and screws.
4. Clean all metal components with a quality carburetor cleaner, ensuring all passages are clear of debris.
5. Install the new gaskets, O-rings, needle valve, and other components from the kit.
6. Carefully reassemble the carburetor, making sure the float is set to the correct height.
7. Reinstall the carburetor onto the engine manifold, ensuring a tight seal.
8. Reconnect the fuel lines, start the engine, and adjust idle and mixture screws as needed.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my Yamaha 40HP engine?

A: This kit is designed for Yamaha 2-stroke 40HP models including 40X, 40XMH, 40XW, E40X, E40MLH, and E40XMH from approximately 1998 to 2013. Please verify your engine model and year against the "Compatible Engine Models" table and ensure your carburetor uses OEM part number 66T-W0093-00-00 or 66T-W0093-01.

Q: What are the signs that my carburetor needs a rebuild?

A: Common signs include difficulty starting, rough idling, stalling at low speeds, poor acceleration, black smoke from the exhaust, or visible fuel leaks from the carburetor body. If you experience these issues, a rebuild with this kit can often resolve them.

Q: What is the main difference between this kit and an original Yamaha kit?

A: This is an aftermarket kit manufactured to meet or exceed original OEM specifications. It includes all the necessary components for a standard rebuild, is produced in an ISO9002-certified factory, and offers a cost-effective alternative to genuine OEM parts without sacrificing quality.

Q: OEM vs. Aftermarket?

A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?

A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?

A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.