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Carburetor Rebuild Kit – Fits Yamaha 2HP 2-Stroke (Replaces Yamaha 6A1-W0093-00-00, Sierra 18-7293)

Regular price $22.50

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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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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 is a complete Carburetor Rebuild Kit – Fits Yamaha 2HP 2-Stroke (Replaces 6A1-W0093-00-00) designed for consistent performance. It provides all necessary components to restore the carburetor on Yamaha 2HP 2-stroke outboard motors manufactured from 1985 through 1994 and beyond.

It directly replaces Yamaha OEM part numbers 6A1-W0093-00-00, 6A1-W0093-01-00, 6A1-W0093-02-00, and 6A1-W0093-03-00, as well as aftermarket equivalents like Sierra 18-7293 and Mallory Marine 9-37500.

  • Engineered for direct OEM-level fit and function.
  • Restores fuel delivery and engine performance.
  • Kit includes all essential gaskets, seals, and hardware for a full rebuild.

Part Number Matrix

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

Brand Part Number
Yamaha 6A1-W0093-00-00
Yamaha 6A1-W0093-01-00
Yamaha 6A1-W0093-02-00
Yamaha 6A1-W0093-03-00
Sierra 18-7293
Mallory Marine 9-37500

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This kit fits a wide range of Yamaha 2HP 2-stroke models from 1984 onwards.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Yamaha 2 2 2-Stroke 1994+ 6A1-W0093-00-00
Yamaha 2B 2 2-Stroke 1985–1988 6A1-W0093-00-00
Yamaha 2MSHS 2 2-Stroke 1994 6A1-W0093-03-00
Yamaha 2MSHT 2 2-Stroke 1995 6A1-W0093-03-00
Yamaha 2MSHU 2 2-Stroke 1996 6A1-W0093-03-00
Yamaha 2MSHV 2 2-Stroke 1997 6A1-W0093-03-00
Yamaha 2MSHW 2 2-Stroke 1998 6A1-W0093-03-00
Yamaha 2MSHX 2 2-Stroke 1999 6A1-W0093-03-00
Yamaha 2MSHY 2 2-Stroke 2000 6A1-W0093-03-00
Yamaha 2MSHZ/2MSHKZ 2 2-Stroke 2001 6A1-W0093-03-00
Yamaha 2MSHA 2 2-Stroke 2002 6A1-W0093-03-00
Yamaha 2SN 2 2-Stroke 1984 6A1-W0093-01-00
Yamaha 2SK 2 2-Stroke 1985 6A1-W0093-01-00
Yamaha 2SJ 2 2-Stroke 1986 6A1-W0093-01-00
Yamaha 2SH 2 2-Stroke 1987 6A1-W0093-01-00
Yamaha 2SG 2 2-Stroke 1988 6A1-W0093-01-00

Also reported to be compatible with select Mercury Marine models.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Mercury Marine 2.5 2.5 2-Stroke 1999–2006 92520M
Mercury Marine 3.3 3.3 2-Stroke 1999–2006+ 92520M
Mercury Marine 3 3 2-Stroke 1990–1998 92520M
Mercury Marine 2A 2 2-Stroke 1977–1978 92520M
Mercury Marine 2B 2 2-Stroke 92520M

Technical Specs

Product Type
Carburetor Repair/Rebuild Kit
Installation
Direct OEM replacement
Fuel Type
Gasoline
Dimensions
18 × 15 × 2 cm (package)
Weight
26g
Warranty
1-year against manufacturing defects
Other Technical Attributes
Compatible with Yamaha 2HP 2-stroke outboard motors

What’s in the Box

  • 1 × Gasket, Float Chamber (6A1-14384-00-00)
  • 1 × Float (6A1-14385-00-00)
  • 1 × Pin, Float (6A1-14386-00-00)
  • 2 × Screw, With Washer (97980-04110-00)
  • 1 × Needle Valve (6A1-14392-00-00)
  • 1 × Screw, Pilot Adjusting (646-14211-02-00)
  • 1 × Needle (6A1-14116-10-00)
  • 1 × Clip (646-14137-00-00)
  • 1 × Cap (646-14169-00-00)
  • 1 × O-Ring (646-14229-01-00)
  • 1 × Gasket (646-14198-01-00)

Installation Notes

  1. Disconnect the fuel line and shut off the fuel supply. Ensure the engine is cool.
  2. Carefully remove the engine cowling to access the carburetor.
  3. Take photos of the carburetor's linkage and hose connections before disconnecting anything.
  4. Loosen the mounting bolts and remove the carburetor from the engine.
  5. Working in a clean area, disassemble the carburetor, paying close attention to the order of the components.
  6. Clean all metal parts with a dedicated carburetor cleaner. Do not spray cleaner on non-metal parts.
  7. Replace the old gaskets, seals, needle, and float with the new components from the kit.
  8. Reassemble the carburetor, referring to your photos to ensure correct linkage and hose setup.
  9. Reinstall the carburetor onto the engine, tighten the mounting bolts to the manufacturer's specified torque.
  10. Reconnect the fuel line, turn on the fuel supply, and check for leaks before starting the engine.

Troubleshooting & FAQ

How do I know if my carburetor needs a rebuild?

Common signs include difficulty starting, rough idling, stalling, poor acceleration, or black smoke from the exhaust. If the engine has been sitting for a long time with old fuel, the internal passages and jets are likely clogged.

Will this kit fit my 4-stroke Yamaha engine?

No, this rebuild kit is specifically designed for the 2-stroke Yamaha 2HP models listed in the compatibility table. Using it on a 4-stroke engine will not work.

Is any special tool required for this installation?

Basic hand tools like screwdrivers, wrenches, and pliers are generally sufficient. A carburetor cleaner spray and a clean workspace are highly recommended. A torque wrench is advised for tightening bolts to spec.

The kit includes small parts I don't seem to need. Why?

Carburetor kits often cover multiple model years or slight variations. It is normal to have a few extra O-rings or clips that don't apply to your specific carburetor version. Use only the parts that match what you remove.

What is the 'pilot adjusting screw' for?

The pilot adjusting screw (or air/fuel mixture screw) fine-tunes the air-fuel ratio at idle. It's best to note its original position (e.g., how many turns from fully seated) before removing it and return it to the same setting during reassembly.

Do the gaskets require any sealant?

Generally, no. The gaskets included in the kit are designed to create a seal on their own. Applying sealant can sometimes interfere with proper sealing or clog small passages if it gets squeezed into the carburetor body.

OEM vs. Aftermarket?

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

Shipping speed & cost?

We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout where available.

Warranty & returns?

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

Safety & Important Info

  • Verify images and specifications against your original part before purchasing. If anything differs—even if your model appears compatible—do not purchase.
  • This is an aftermarket replacement component, not an OEM part.
  • Professional installation is highly recommended for safety and optimal performance.

About Sea Sierra

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and rigorously tested for real-world conditions.
  • Fast Global Fulfillment — We offer free standard delivery to most regions, with typical transit times of 5–15 days.
  • Manufacturer-Direct Value — Our model provides fair pricing without compromising on materials or quality control.

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