Carburetor Rebuild Kit – Fits Yamaha 3-8HP & Tohatsu/Nissan 4-9.8HP 2-Stroke Outboards (Replaces 6G1-W0093-00-00, 369-87122-1)
Carburetor Rebuild Kit – Fits Yamaha 3-8HP & Tohatsu/Nissan 4-9.8HP 2-Stroke Outboards (Replaces 6G1-W0093-00-00, 369-87122-1) is backordered and will ship as soon as it is back in stock.
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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.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Carburetor Rebuild Kit – Fits Yamaha 3-8HP & Tohatsu/Nissan 4-9...
Product Details
This Carburetor Rebuild Kit – Fits Yamaha 3-8HP & Tohatsu/Nissan 4-9.8HP 2-Stroke Outboards (Replaces 6G1-W0093-00-00, 369-87122-1) provides all essential components to restore your carburetor to optimal performance. It is designed for a wide range of 2-stroke outboard engines, including Yamaha 3HP (1988–2002), 6HP (1984–1996), and 8HP (1984–1996) models like the 6C, 6D, 6J, and MSH series. It also covers Tohatsu/Nissan 4HP to 9.8HP models (M4, M5, M8, M9.8, NS4, NS5, NS8, NS9.8) and select Mercury 6HP and 8HP outboards.
This kit serves as a direct replacement for Yamaha part 6G1-W0093-00-00, Tohatsu/Nissan 369-87122-1, Mercury 11502M, and Sierra 18-7765, among other superseded numbers. All parts are precision-manufactured to meet or exceed OEM specifications, ensuring reliable fuel delivery and engine function.
- Engineered for direct-fit installation.
- Restores carburetor performance using new gaskets, seals, and critical hardware.
- Compatible with standard gasoline (petrol) fuel systems.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 6G1-W0093-00-00 | Primary reference number |
| Yamaha | 6G1-14301-01-00 | Fits specific carburetors |
| Yamaha | 6G1-14301-02-00 | Superseded part |
| Yamaha | 6G1-14301-03-00 | Superseded part |
| Yamaha | 6G1-14301-10-00 | Superseded part |
| Tohatsu / Nissan | 369-87122-1 (or 369871221M) | Primary reference number |
| Tohatsu / Nissan | 359-87122-1 | Superseded part |
| Mercury | 11502M | |
| Sierra | 18-7765 | Aftermarket cross-reference |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha engines, this kit fits various 6HP and 8HP models from the mid-80s to mid-90s, plus 3HP models up to 2002. Verify your model code (e.g., 6C, 6D, 8C) for a match.
For Tohatsu and Nissan, this kit is compatible with a range of 2-stroke models from 4HP to 9.8HP. Check your M-series or NS-series model number.
For Mercury engines, this kit is designed for specific 6HP and 8HP models designated with codes 6H8, 6H6, and 6G1.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 6C, CEM | 6 | 2-Stroke | 1984–1996 | 6G1-W0093-00-00 | |
| Yamaha | 6D, DEM | 6 | 2-Stroke | 1984–1996 | 6G1-W0093-00-00 | |
| Yamaha | 6J | 6 | 2-Stroke | 1986 | 6G1-W0093-00-00 | |
| Yamaha | 6C, MSH, TRV | 6 | 2-Stroke | 1997–1998 | 6G1-W0093-00-00 | |
| Yamaha | 6C | 6 | 2-Stroke | 2001 | 6G1-W0093-00-00 | |
| Yamaha | 6D | 6 | 2-Stroke | 2001–2002 | 6G1-W0093-00-00 | |
| Yamaha | 3HP Models | 3 | 2-Stroke | 1988–2002 | 6G1-W0093-00-00 | |
| Yamaha | 8HP Models | 8 | 2-Stroke | 1984–1996 | 6G1-W0093-00-00 | Code 6G1 |
| Tohatsu | NS4, M4 | 4 | 2-Stroke | 369-87122-1 | ||
| Tohatsu | NS5, M5 | 5 | 2-Stroke | 369-87122-1 | ||
| Tohatsu | NS8, M8 | 8 | 2-Stroke | 369-87122-1 | ||
| Tohatsu | NS9.8, M9.8 | 9.8 | 2-Stroke | 369-87122-1 | ||
| Nissan | NS4, M4 | 4 | 2-Stroke | 369-87122-1 | ||
| Nissan | NS5, M5 | 5 | 2-Stroke | 369-87122-1 | ||
| Nissan | NS8, M8 | 8 | 2-Stroke | 369-87122-1 | ||
| Nissan | NS9.8, M9.8 | 9.8 | 2-Stroke | 369-87122-1 | ||
| Mercury | 6C, 6D | 6 | 2-Stroke | 11502M | Code 6H8 & 6H6 | |
| Mercury | 8C | 8 | 2-Stroke | 11502M | Code 6G1 |
Technical Specs
- Product Type
- Carburetor Rebuild/Repair Kit
- Installation
- Direct replacement
- Fuel Type
- Gasoline (petrol)
- Compatible Carburetors
- Fits specific carburetors including Yamaha 6G1-14301-01 and Tohatsu/Nissan 393-03200-2.
- Warranty
- 1 Year (from select sellers like JLM Marine)
What’s in the Box
- 1 x Screw, Pilot (679-14923-00-00)
- 1 x Cap (6G1-14966-00-00)
- 1 x Gasket (6G1-14126-00-00)
- 1 x Cap (679-14966-00-00)
- 1 x O-Ring (6G1-14984-00-00)
- 4 x Screw, With Washer (97980-04114-00)
- 1 x Float (6G1-14985-00-00)
- 1 x Valve, Needle (6G1-14546-01-00)
- 1 x Pin, Float (676-14186-00-00)
- 1 x Pin, Float Arm (688-14548-00-00)
Installation Notes
- Shut off the fuel supply and safely disconnect the fuel line from the carburetor. Place a rag underneath to catch any spills.
- Remove the airbox cover and filter to access the carburetor mounting bolts.
- Carefully detach any throttle linkages, choke linkages, and primer lines connected to the carburetor. Note their positions for reassembly.
- Remove the carburetor from the engine and move it to a clean, well-lit workbench.
- Disassemble the carburetor one component at a time, taking photos as you go. Start with the float bowl.
- Carefully remove old gaskets, seals, the needle valve, and the float. Match each old part with a new one from the kit to ensure correctness.
- Clean all metal components with a dedicated carburetor cleaner spray. Ensure all jets and passages are completely clear of debris. Do not use wire to clean jets, as this can damage them.
- Install the new components from the kit, starting with the needle valve, float, and float pin.
- Install the new float bowl gasket and re-attach the bowl with the new screws if provided.
- Re-install the carburetor onto the engine, re-attaching linkages and fuel lines. Refer to your photos or a service manual.
- Turn the fuel supply on, prime the engine if necessary, and check for leaks before starting.
- Start the engine and adjust the pilot screw and idle speed as needed for smooth operation.
Troubleshooting & FAQ
How do I confirm this kit is right for my engine?
The best way is to match your engine's model, year, and serial number against our compatibility table. Additionally, cross-reference the OEM part number stamped on your old carburetor parts with the numbers listed in our Part Number Matrix.
What are common signs that a carburetor rebuild is needed?
Symptoms include difficulty starting, rough idling, stalling at low speeds, engine hesitation or sputtering on acceleration, and black smoke from the exhaust (indicating a rich fuel mixture). Visible fuel leaks around the carburetor are also a clear sign.
Will this kit fix running issues from incorrect jetting?
This is a standard rebuild kit, designed to restore the carburetor to its original factory fuel settings. It replaces worn or clogged stock components but does not change the jet sizes. It will resolve issues caused by dirty or failing parts, but not those related to improper jetting for modified engines.
Why rebuild instead of buying a new carburetor?
Rebuilding is significantly more cost-effective than replacing an entire carburetor assembly. If the main body of your carburetor is in good condition, a rebuild kit like this one can restore its function to factory-new levels by replacing all the common wear-and-tear items.
Can I reuse my old gaskets if they don't look damaged?
No. It is critical to use all new gaskets and O-rings provided in the kit. Old gaskets can become compressed, brittle, or develop microscopic cracks that cause air or fuel leaks, defeating the purpose of the rebuild.
How often should an outboard carburetor be rebuilt?
There is no fixed interval, as it heavily depends on usage, fuel quality, and storage conditions. If using ethanol-blended fuel, a rebuild may be needed every few years. For engines used infrequently, a rebuild is good preventative maintenance every 3-5 years to prevent issues with dried-out seals and clogged passages.
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.
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