Carburetor Assembly for Yamaha 6HP 4-Stroke Outboards – Replaces 6BX-14301-10-00, 6BX-14301-00-00, 18-34613
Carburetor Assembly for Yamaha 6HP 4-Stroke Outboards – Replaces 6BX-14301-10-00, 6BX-14301-00-00, 18-34613 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Carburetor Assembly for Yamaha 6HP 4-Stroke Outboards – Replaces 6B...
Carburetor Assembly for Yamaha 6HP 4-Stroke Outboards – 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 reliable fuel delivery with this aftermarket carburetor assembly for Yamaha 6HP 4-stroke outboard motors. The assembly is intended for the Yamaha F6LMHA and F6SMHA model families and is also listed for selected Parsun F5A/F6A B-series 4-stroke applications. Confirm the complete engine model, year, serial range, mounting pattern, linkage arrangement, and the number on your original carburetor before ordering.
This carburetor is listed as a replacement or interchange for Yamaha references 6BX-14301-10-00, 6BX-14301-12-00, and 6BX-14301-00-00, as well as aftermarket reference Sierra 18-34613. Parsun references PAF6-04060000 and PAF604060000 are included for identification of the listed application. These numbers should be used for cross-reference only; verify the exact application before installation.
- Aftermarket replacement carburetor assembly for selected 6HP 4-stroke outboards.
- Designed as a direct-fit replacement where the original part and application specifications match.
- Sold as one carburetor assembly; gaskets, fittings, and other installation hardware are not confirmed as included unless shown in the package contents below.
Part Number Matrix
Use the following references to compare the replacement with your original part and engine documentation.
| Brand | Part Number | Reference Status | Notes |
|---|---|---|---|
| Yamaha | 6BX-14301-10-00 | Replacement reference | Listed for the specified Yamaha 6HP 4-stroke applications. |
| Yamaha | 6BX-14301-12-00 | Related replacement reference | Verify revision and application details against the original part. |
| Yamaha | 6BX-14301-00-00 | Replacement reference | Confirm the complete model and serial requirements before ordering. |
| Sierra | 18-34613 | Aftermarket reference | Use for comparison with the existing carburetor. |
| Parsun | PAF6-04060000 / PAF604060000 | Application reference | Listed for selected Parsun F5A/F6A B-series 4-stroke models. |
Engine & Model Compatibility
The compatibility information below describes the applications associated with this carburetor reference. Engine model designations, production changes, serial ranges, and linkage configurations can affect fitment. Match all conditions before purchase.
| Brand | Model | Rated HP | Stroke | Year Information | Related Part Reference | Fitment Note |
|---|---|---|---|---|---|---|
| Yamaha | F6LMHA | 6HP | 4-Stroke | 2006 and later listing | 6BX-14301-10-00 | Verify the exact serial range and original carburetor configuration. |
| Yamaha | F6LMHA_031 | 6HP | 4-Stroke | 2006 and later listing | 6BX-14301-10-00 | Verify the exact serial range and original carburetor configuration. |
| Yamaha | F6LMHA_071 | 6HP | 4-Stroke | 2006 and later listing | 6BX-14301-10-00 | Verify the exact serial range and original carburetor configuration. |
| Yamaha | F6SMHA | 6HP | 4-Stroke | 2006 and later listing | 6BX-14301-10-00 | Verify the exact serial range and original carburetor configuration. |
| Yamaha | F6SMHA_031 | 6HP | 4-Stroke | 2006 and later listing | 6BX-14301-10-00 | Verify the exact serial range and original carburetor configuration. |
| Yamaha | F6SMHA_071 | 6HP | 4-Stroke | 2006 and later listing | 6BX-14301-10-00 | Verify the exact serial range and original carburetor configuration. |
| Parsun | F5A / F6A B series | 5–6HP | 4-Stroke | Not specified | PAF6-04060000 | Confirm the model label, serial information, and carburetor layout. |
Technical Specs
- Product Type
- Carburetor assembly
- Application
- Selected Yamaha and Parsun 4-stroke outboard applications listed above
- Engine Rating
- Approximately 5–6HP applications, depending on model
- Fuel Type
- Gasoline
- Carburetor Type
- Float-type carburetor
- Installation
- Direct replacement where the original part and engine specifications match
- Product Condition
- Aftermarket replacement component
What’s in the Box
- 1 x Carburetor assembly
Gaskets, seals, fuel lines, mounting hardware, and adjustment tools are not confirmed as included. Reuse only components that are in serviceable condition and suitable for the installation.
Installation Notes
- Ensure the engine is switched off and cool. Shut off the fuel supply and disconnect the battery where applicable.
- Relieve fuel pressure as appropriate and prevent spilled gasoline from contacting hot surfaces or ignition sources.
- Photograph or label the fuel lines, throttle linkage, choke linkage, and any electrical connections before removal.
- Disconnect the fuel lines and linkages, then remove the fasteners securing the original carburetor.
- Clean the mounting surface and inspect the gasket and mating surfaces. Install a suitable new gasket if required; a gasket is not confirmed as included.
- Install the replacement carburetor in the correct orientation and tighten the fasteners to the engine manufacturer’s specification.
- Reconnect the fuel lines, linkages, and electrical connections exactly as they were routed originally.
- Restore the fuel supply and inspect carefully for leaks before starting the engine.
- Start the engine in a safe, well-ventilated area and check idle, throttle response, fuel leakage, and overall operation.
- Do not alter jetting or adjustment screws unless the engine service procedure specifically requires it. Seek qualified marine-service assistance if operation is abnormal.
Troubleshooting & FAQ
How do I know if my carburetor needs replacing?
Common symptoms include hard starting, rough idle, stalling, poor acceleration, bogging under load, fuel leakage, or an inability to maintain the correct fuel mixture. These symptoms can also be caused by contaminated fuel, blocked passages, ignition faults, or air leaks, so diagnose the engine before replacing the carburetor.
Do I need to adjust this carburetor after installation?
Adjustment requirements depend on the engine and the condition of the replacement component. Confirm that the linkage, gasket, fuel supply, and ignition system are correct first. Follow the engine service procedure for idle and mixture adjustments, and do not change sealed or preset adjustments without the required specifications.
Will this carburetor fit models not listed here?
Fitment is not guaranteed for unlisted models. Carburetors that share a similar part-number family can differ in jetting, linkage, mounting, or fuel-system configuration. Compare the complete model, year or serial information, original part number, and physical layout before ordering.
Is this an OEM component?
No. This is an aftermarket replacement carburetor. The OEM and aftermarket numbers shown are reference numbers used to help identify the intended application and should not be interpreted as a claim that this component was manufactured by Yamaha or Sierra.
What should I check before installation?
Compare the mounting points, throttle and choke linkage, fuel inlet position, overall dimensions, and the original part number. Also inspect the gasket surface and confirm that the engine’s fuel system is clean and free of contaminated gasoline.
What is the warranty and return policy?
Warranty coverage and return eligibility are governed by the seller’s current policy. Contact support with the order details and a description of the issue before returning or modifying the part.
Safety & Important Information
- Gasoline is flammable. Work in a well-ventilated area away from flames, sparks, and hot engine surfaces.
- Verify the engine model, serial information, original part number, and physical configuration before purchase.
- Do not operate the engine if fuel leaks are present.
- Professional installation is recommended when you are unfamiliar with marine fuel systems or carburetor adjustment.
- This is an aftermarket replacement, not an OEM component.
About Sea Sierra
- Marine Replacement Parts — Parts are selected for common marine repair and replacement applications.
- Application-Focused Listings — Reference numbers and model information are provided to help with product comparison.
- Support — Contact support if you need help comparing the listed references with your original component.
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