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Carburetor Rebuild Kit – Fits Yamaha 60HP/70HP 2-Stroke (Replaces 6H3-W0093-01-00, 6H3-W0093-02-00, 6H3-W0093-03-00)

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Carburetor Rebuild Kit – Fits Yamaha 60HP/70HP 2-Stroke (Replaces 6H3-W0093-01-00, 6H3-W0093-02-00, 6H3-W0093-03-00) is backordered and will ship as soon as it is back in stock.


Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This comprehensive Carburetor Rebuild Kit – Fits Yamaha 60HP/70HP 2-Stroke Engines (Replaces 6H3-W0093-01-00, 6H3-W0093-02-00) includes all the necessary components to overhaul your engine's carburetor for restored performance and efficiency. It is designed for specific Yamaha 2-Stroke 60HP (C60/E60/P60, 1991–2001) and 70HP (C70, 2000–2001) engines, and also offers compatibility with select Tohatsu 2-Stroke and 4-Stroke models.

This kit provides a direct interchange for Yamaha part numbers 6H3-W0093-01-00, 6H3-W0093-02-00, and 6H3-W0093-03-00, as well as Sierra 18-7766, Tohatsu 346-87122-0, and other aftermarket equivalents.

  • Engineered for direct replacement and easy installation.
  • Designed for use with standard gasoline fuel systems.
  • Manufactured to OEM specifications in an ISO 9002 certified factory.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket brands.

Brand Part Number Superseded By Notes
Yamaha 6H3-W0093-01-00 6H3-W0093-02-00 Original part
Yamaha 6H3-W0093-02-00 6H3-W0093-03-00 Superseded part
Yamaha 6H3-W0093-03-00 Latest version
Sierra 18-7766 Aftermarket equivalent
Tohatsu 346-87122-0 Aftermarket equivalent
Aftermarket AM6H3-W0093-02 Aftermarket equivalent

Engine & Model Compatibility

Confirm your engine model and year in the tables below to ensure proper fitment.

This kit is verified for the following Yamaha 3-cylinder, 2-stroke outboard models.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Yamaha 70ETL Series (70ETLN, 70ETLK, 70ETLJ, 70ETLH, 70ETLG, 70ETLF, 70ETLD) 70 2-Stroke 1984–1991 6H3-W0093-01-00 3-Cylinder
Yamaha P60TLHP 60 2-Stroke 1991 6H3-W0093-01-00 3-Cylinder
Yamaha E60MLHT 60 2-Stroke 1995 6H3-W0093-01-00 3-Cylinder
Yamaha E60MLHU 60 2-Stroke 1996 6H3-W0093-01-00 3-Cylinder
Yamaha E60MLHV 60 2-Stroke 1997 6H3-W0093-01-00 3-Cylinder
Yamaha E60MLHW 60 2-Stroke 1998 6H3-W0093-01-00 3-Cylinder
Yamaha E60MLHX 60 2-Stroke 1999 6H3-W0093-01-00 3-Cylinder
Yamaha E60MLHY 60 2-Stroke 2000 6H3-W0093-01-00 3-Cylinder
Yamaha C70HP 70 2-Stroke 2000–2001 6H3-W0093-01-00 3-Cylinder

Compatibility for Tohatsu models is reported by our supplier. Please verify your engine's requirements independently, as specific year ranges are not available.

Brand Model Rated HP Stroke OEM Part No. Notes
Tohatsu 45A2 45 2-Stroke 346-87122-0 Compatible per JLM Marine
Tohatsu 50C 50 2-Stroke 346-87122-0 Compatible per JLM Marine
Tohatsu 60C 60 2-Stroke 346-87122-0 Compatible per JLM Marine
Tohatsu 70A2 70 2-Stroke 346-87122-0 Compatible per JLM Marine
Tohatsu M25C3 25 4-Stroke 346-87122-0 Compatible per JLM Marine
Tohatsu M30A4 30 4-Stroke 346-87122-0 Compatible per JLM Marine

Technical Specs

Product Type
Carburetor Rebuild Kit
Installation
Direct Replacement
Fuel Type
Gasoline
Warranty
1-year against manufacturing defects (JLM Marine)
Other Technical Attributes
Manufactured to OEM specifications in ISO9002 certified factory

What’s in the Box

This kit includes the following components for servicing three carburetors:

  • 1 x Gasket (6H3-14198-A1-00)
  • 3 x Cap (676-14966-00-00)
  • 3 x Needle Valve Assembly (6H3-14590-01-00)
  • 3 x Clip (663-14159-00-00)
  • 3 x Float Pin (676-14186-00-00)
  • 3 x Float (6G1-14985-00-00)
  • 3 x Float Arm Pin (688-14548-00-00)
  • 3 x O-Ring (6G1-14984-00-00)
  • 3 x Screw with Washer (97980-04114-00)
  • 3 x O-Ring (93210-04230-00)
  • 3 x Gasket (663-14126-00-00)
  • 3 x Gasket (688-14126-00-00)
  • 3 x Pilot Screw (692-14923-00-00)
  • 3 x O-Ring (93210-15M52-00)

Installation Notes

Professional installation is highly recommended. The following steps are a general guide:

  1. Disconnect the battery and fuel supply line safely.
  2. Remove the engine cowling and airbox assembly to access the carburetors.
  3. Carefully disconnect throttle linkages, choke linkages, and fuel hoses from the carburetors, noting their positions.
  4. Remove the mounting bolts and detach the carburetor bank from the intake manifold.
  5. Working on one carburetor at a time, disassemble it on a clean surface. Lay out all parts in order of removal.
  6. Thoroughly clean all metal components with a dedicated carburetor cleaning solvent. Do not use solvent on rubber or plastic parts.
  7. Replace all old gaskets, seals, O-rings, and the needle valve assembly with the new parts provided in the kit.
  8. Inspect the float for damage and replace if necessary. Set the float height to your engine's service manual specifications.
  9. Reassemble the carburetor carefully.
  10. Once all carburetors are rebuilt, reinstall them onto the engine, reconnecting all linkages and hoses.
  11. Turn on the fuel supply, prime the system, and inspect for any leaks before starting the engine.
  12. Adjust idle speed and air/fuel mixture screws as required by the manufacturer's service manual.

Troubleshooting & FAQ

What are the common signs that my carburetor needs to be rebuilt?

Symptoms include hard starting (especially when cold), rough or unstable idling, stalling at low speeds, hesitation or bogging on acceleration, excessive fuel consumption, and visible fuel leaks from the carburetor body.

My engine model is listed, but the parts in the kit look different. Should I install it?

No. If any part in the kit does not visually match the part you are replacing, do not proceed with the installation. Manufacturers sometimes make mid-year changes. Contact us with photos of your old parts and your engine's serial number to verify the correct kit.

Can I use this kit for a different engine horsepower or brand not listed?

We do not recommend it. This kit is specifically designed for the Yamaha and Tohatsu models listed. Using it on other engines may result in poor performance, fuel leaks, or engine damage, as jet sizes, gaskets, and other components may not be compatible.

Why are there conflicting part numbers for the needle valve and cap?

Part numbers often change over time due to supersessions or minor design updates from the manufacturer. Our primary source indicates this kit uses Needle Valve 6H3-14590-01-00 and Cap 676-14966-00-00, which are functionally equivalent to the alternate numbers for the models listed.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). It's built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, it's batch-inspected for consistency.

What is your shipping speed and cost?

We ship worldwide quickly—typical transit is 5–15 days for most regions. Standard shipping is free; expedited options will appear at checkout if they are available for your location.

What is the warranty and return policy?

This product is covered by a 1-year warranty against manufacturing defects under normal use. If any issues arise, contact our support team with your order details. Returns are accepted within our standard window for items that are unused and in original condition. Please see our policy page or reach out for instructions.

Safety & Important Info

  • Verify images and specifications against your original part before purchase. If anything differs—even if your model is listed as compatible—do not purchase.
  • This is an aftermarket replacement component, not an original equipment manufacturer (OEM) part.
  • Professional installation is strongly recommended for safety, performance, and to prevent damage to your engine.

About Sea Sierra

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and rigorously tested for real-world reliability.
  • Fast Global Fulfillment — We offer free standard delivery to most regions with an average transit time of 5–15 days.
  • Manufacturer-Direct Value — By working directly with manufacturers, we provide fair pricing without compromising on materials or quality control.

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