Carburetor Rebuild Kit – Fits Yamaha 40HP Two-Stroke Outboards (Replaces 66T-W0093-00-00, 66T-W0093-01)
Carburetor Rebuild Kit – Fits Yamaha 40HP Two-Stroke Outboards (Replaces 66T-W0093-00-00, 66T-W0093-01) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
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Carburetor Rebuild Kit – Fits Yamaha 40HP Two-Stroke Outboards (Rep...
Carburetor Rebuild Kit – Fits Yamaha 40HP Two-Stroke Outboards (Replaces 66T-W0093-00-00, 66T-W0093-01) is backordered and will ship as soon as it is back in stock.
Product Details
This Carburetor Rebuild Kit provides all necessary components to restore the function of carburetors on Yamaha 2-Stroke 40HP outboard engines (models E40X, 40X, 40XMH, and 40XW) manufactured from 1998–2013.
It is a direct aftermarket replacement for Yamaha OEM part numbers 66T-W0093-00-00 and 66T-W0093-01.
- Designed for direct OEM-replacement fit and function.
- Components are produced in an ISO9002 certified factory for quality assurance.
- Includes all essential gaskets, seals, and hardware for a complete overhaul.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 66T-W0093-00-00 | Original OEM part number. |
| Yamaha | 66T-W0093-01 | Superseded OEM part number. |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This kit is specifically for select Yamaha 40HP two-stroke outboards.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Yamaha | 40X | 40 | 2-Stroke | 1998–2013 | 66T-W0093-00-00 |
| Yamaha | 40XMH | 40 | 2-Stroke | 1998–2013 | 66T-W0093-00-00 |
| Yamaha | 40XW | 40 | 2-Stroke | 1998–2013 | 66T-W0093-00-00 |
| Yamaha | E40X | 40 | 2-Stroke | 1998–2013 | 66T-W0093-00-00 |
| Yamaha | E40MLH | 40 | 2-Stroke | 1998–2013 | 66T-W0093-00-00 |
| Yamaha | E40XMH | 40 | 2-Stroke | 1998–2013 | 66T-W0093-00-00 |
Technical Specs
- Product Type
- Carburetor Rebuild Kit
- Installation
- Direct OEM replacement
- Fuel Type
- Gasoline
- Weight
- 37g
- Warranty
- 1-year against manufacturing defects
- Other Technical Attributes
- Produced in ISO9002 certified factory
What’s in the Box
- 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 Notes
- Disconnect the battery terminals and shut off the fuel supply.
- Carefully remove the airbox cover and carburetor from the engine manifold. Disconnect all linkage and fuel lines.
- Disassemble the carburetor on a clean bench, organizing all parts. Take photos during disassembly for reference.
- Thoroughly clean all metal components with a quality carburetor cleaner. Do not use cleaner on non-metal parts.
- Systematically replace the old gaskets, O-rings, needle valve, and other included components with the new parts from the kit.
- Reassemble the carburetor, ensuring the float is set to the correct height as per your engine's service manual.
- Reinstall the carburetor onto the engine, reattaching all fuel lines and linkages.
- Once secure, turn the fuel on, reconnect the battery, and start the engine. Adjust idle and mixture screws as needed for smooth operation.
Troubleshooting & FAQ
How do I know if my carburetor needs rebuilding?
Common signs include difficulty starting, rough idling, stalling at low speeds, engine hesitation, black smoke from the exhaust, and fuel leaks. If you experience these issues, a rebuild is often the solution.
Does this kit fit all Yamaha 40HP engines?
No. It is specifically for the 2-stroke models 40X, 40XMH, 40XW, E40X, E40MLH, and E40XMH from approximately 1998–2013. Always verify your engine model and year before purchasing.
What is the difference between part numbers 66T-W0093-00-00 and 66T-W0093-01?
66T-W0093-01 is a superseded part number for 66T-W0093-00-00. They are functionally identical and interchangeable. This kit replaces both.
How often should a carburetor be rebuilt?
Maintenance intervals depend on usage, fuel quality, and storage conditions. As a general guide, consider a rebuild every 2-3 years for preventative maintenance, or whenever performance issues arise.
Is any special tool required for installation?
Basic hand tools (screwdrivers, wrenches), a carburetor cleaner spray, and a clean workspace are required. A service manual for your specific engine model is highly recommended for detailed instructions and float adjustment specifications.
What if I buy the wrong kit?
Returns are accepted within our standard window for unused items in their original packaging. Please see our returns policy page or contact customer support for assistance.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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