Carburetor Assembly – Fits Yamaha 6HP 4-Stroke (Replaces 6BX-14301-10-00, 6BX-14301-00-00, 18-34613)
Carburetor Assembly – Fits Yamaha 6HP 4-Stroke (Replaces 6BX-14301-10-00, 6BX-14301-00-00, 18-34613) is backordered and will ship as soon as it is back in stock.
Worry-free returns
Worry-free returns
Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.
If the return is due to our error or a defective item, we’ll make it right.
Please contact us before returning any item.
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.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Carburetor Assembly – Fits Yamaha 6HP 4-Stroke (Replaces 6BX-14301-...
Carburetor Assembly – Fits Yamaha 6HP 4-Stroke (Replaces 6BX-14301-10-00, 6BX-14301-00-00, 18-34613) is backordered and will ship as soon as it is back in stock.
Product Details
Restore peak performance with this direct-fit Carburetor Assembly – Fits Yamaha 6HP 4-Stroke outboard motors. It is specifically engineered for Yamaha F6LMHA and F6SMHA model series (2006 and later) and also fits Parsun F5A (F6A) B series 4-stroke outboards, ensuring a precise match for hassle-free installation.
This assembly is a direct interchange for Yamaha part numbers 6BX-14301-10-00, 6BX-14301-12-00, 6BX-14301-00-00; Sierra 18-34613; and Parsun references PAF6-04060000 and PAF604060000.
- Designed for a direct OEM replacement installation.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Superseded By | Notes |
|---|---|---|---|
| Yamaha | 6BX-14301-10-00 | 6BX-14301-12-00 | |
| Yamaha | 6BX-14301-00-00 | ||
| Sierra | 18-34613 | Aftermarket | |
| Parsun | PAF6-04060000 / PAF604060000 | Aftermarket fit |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Yamaha Outboards: This part is confirmed to fit the following 6HP 4-Stroke models from 2006 onwards.
For Parsun Outboards: Fits the specified F5A/F6A B series models. Please verify your engine's part requirements.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | F6LMHA | 6HP | 4-Stroke | 2006 and later | 6BX-14301-10-00 | Superseded by 6BX-14301-12-00 |
| Yamaha | F6LMHA_031 | 6HP | 4-Stroke | 2006 and later | 6BX-14301-10-00 | Superseded by 6BX-14301-12-00 |
| Yamaha | F6LMHA_071 | 6HP | 4-Stroke | 2006 and later | 6BX-14301-10-00 | Superseded by 6BX-14301-12-00 |
| Yamaha | F6SMHA | 6HP | 4-Stroke | 2006 and later | 6BX-14301-10-00 | Superseded by 6BX-14301-12-00 |
| Yamaha | F6SMHA_031 | 6HP | 4-Stroke | 2006 and later | 6BX-14301-10-00 | Superseded by 6BX-14301-12-00 |
| Yamaha | F6SMHA_071 | 6HP | 4-Stroke | 2006 and later | 6BX-14301-10-00 | Superseded by 6BX-14301-12-00 |
| Parsun | F5A (F6A) B | 5-6HP | 4-Stroke | PAF6-04060000 | Aftermarket fit |
Technical Specs
- Product Type
- Carburetor Assembly
- Installation
- Direct OEM replacement
- Fuel Type
- Gasoline
- Housing Material
- Metal (Aluminum/Zinc Alloy)
- Housing Color
- Silver
- Weight
- Approximately 100g (shipping weight)
- Carburetor Type
- Float Type Carburetor
- Warranty
- 1-year against manufacturing defects (JLM Marine)
What’s in the Box
- 1 x CARBURETOR ASSY 1 (6BX-14301-10-00/6BX-14301-12-00)
Installation Notes
- Ensure the engine is off and cool. Disconnect the battery and shut off the fuel supply.
- Carefully disconnect the fuel lines and any linkage or electrical connections from the old carburetor. Note their positions for reassembly.
- Remove the mounting bolts or nuts securing the old carburetor and remove it from the engine.
- Clean the mounting surface and install a new gasket if required (not included).
- Mount the new carburetor assembly, ensuring it is seated correctly.
- Tighten the mounting bolts or nuts to the manufacturer's specified torque.
- Reconnect all fuel lines, linkages, and electrical connectors.
- Turn the fuel supply back on and check for leaks. Reconnect the battery.
- Start the engine and check for proper operation. Minor idle or air/fuel mixture adjustments may be necessary.
Troubleshooting & FAQ
How do I know if my carburetor needs replacing?
Common signs of a failing carburetor include rough idling, frequent stalling, poor acceleration or bogging under load, difficulty starting the engine, and visible fuel leaks from the housing. If you notice these symptoms, it's a strong indicator that a replacement is needed.
Do I need to adjust this carburetor after installation?
This carburetor is pre-adjusted to factory settings for the specified models. In most cases, it will work correctly out of the box. However, due to variations in engine wear and local conditions, minor fine-tuning of the idle or air/fuel mixture screws may be necessary to achieve optimal performance.
Will this carburetor fit models not listed here?
We can only guarantee fitment for the specific engine models and years listed in the compatibility chart. Using this part on an unlisted model is not recommended, as internal jetting and linkage configurations may differ.
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
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
