Carburetor Assembly for Yamaha 9.9HP & 15HP 2-Stroke Outboards – Replaces 684-14301, 6E8-14301, 6E7-14301
Carburetor Assembly for Yamaha 9.9HP & 15HP 2-Stroke Outboards – Replaces 684-14301, 6E8-14301, 6E7-14301 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
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Carburetor Assembly for Yamaha 9.9HP & 15HP 2-Stroke Outboards ...
Carburetor Assembly for Yamaha 9.9HP & 15HP 2-Stroke Outboards – Replaces 684-14301, 6E8-14301, 6E7-14301 is backordered and will ship as soon as it is back in stock.
Product Details
This carburetor assembly is an aftermarket replacement for selected Yamaha 9.9HP and 15HP 2-stroke outboard applications. It is identified as a replacement for the Yamaha reference numbers 684-14301, 6E8-14301, and 6E7-14301.
Use the reference numbers and the original carburetor configuration to help confirm compatibility before ordering. Yamaha application details can vary by model, year, specification, and serial-number range, so do not rely on horsepower alone.
- Replacement carburetor assembly for marine gasoline fuel systems.
- Designed for selected Yamaha 9.9HP and 15HP 2-stroke outboards.
- Supplied as one complete carburetor assembly.
- Aftermarket replacement; not an OEM Yamaha component.
Reference Number Matrix
The following Yamaha reference numbers identify the replacement application associated with this listing. Compare the complete number and suffix on your original part whenever applicable.
| Brand | Reference Part Number | Role |
|---|---|---|
| Yamaha | 684-14301 | Replacement reference |
| Yamaha | 6E8-14301 | Replacement reference |
| Yamaha | 6E7-14301 | Replacement reference |
Engine Compatibility
This assembly is listed for selected Yamaha 9.9HP and 15HP 2-stroke outboards. The available product record does not establish every individual model, year, shaft length, or serial-number range. Confirm the complete engine model and serial number, then compare the original carburetor and its reference number before installation.
| Brand | Rated HP | Stroke | Application | Required Verification |
|---|---|---|---|---|
| Yamaha | 9.9HP | 2-Stroke | Selected outboard applications | Model, year, serial range, and original carburetor configuration |
| Yamaha | 15HP | 2-Stroke | Selected outboard applications | Model, year, serial range, and original carburetor configuration |
Technical Specifications
- Product Type
- Carburetor assembly
- Application
- Selected Yamaha 9.9HP and 15HP 2-stroke outboards
- Installation
- Replacement installation; verify mounting and linkage configuration before fitting
- Fuel Type
- Gasoline
- Engine Position
- Outboard
- Manufacturer Status
- Aftermarket replacement, not OEM Yamaha
What's in the Box
- 1 × Carburetor assembly
Gaskets, seals, hardware, and other installation components are not specified in the available product record. Inspect the package contents before beginning installation and reuse or replace ancillary parts as required by the engine manufacturer.
Installation Notes
- Confirm the engine model, serial number, original carburetor configuration, and reference number before starting work.
- Shut off the fuel supply, disconnect the battery where applicable, and allow the engine to cool.
- Disconnect the fuel line, throttle linkage, choke linkage, and any other connections attached to the original carburetor.
- Remove the fasteners securing the original carburetor and carefully detach it from the intake.
- Inspect the mounting surface, gasket, seals, fuel line, and linkage components. Replace damaged or degraded parts as needed.
- Install the replacement carburetor in the correct orientation and tighten the fasteners according to the engine manufacturer's service instructions.
- Reconnect the fuel line, throttle linkage, choke linkage, and other connections.
- Restore the fuel supply and check carefully for leaks before starting the engine.
- Start and warm the engine in a safe, well-ventilated area. Verify idle, throttle response, and fuel-system operation.
- Make any required adjustments only in accordance with the applicable Yamaha service instructions.
Troubleshooting & FAQ
How do I confirm that this carburetor fits my Yamaha outboard?
Confirm that the engine is a Yamaha 9.9HP or 15HP 2-stroke model, then compare the complete model and serial-number information, the original carburetor configuration, and the reference number on the original part. Horsepower alone is not sufficient to confirm fitment.
Which reference numbers are associated with this replacement?
This listing identifies the replacement with Yamaha reference numbers 684-14301, 6E8-14301, and 6E7-14301. Suffixes and model-specific variations may affect compatibility, so compare the complete number and the original part before ordering.
Does this carburetor require adjustment after installation?
Adjustment may be required after installation depending on the engine, fuel-system condition, and service settings. Follow the applicable engine service procedure rather than assuming that the replacement is correctly adjusted for every application.
What are common signs of a carburetor problem?
Possible symptoms include difficult starting, unstable idle, stalling, poor acceleration, excessive smoke, fuel leakage, or inconsistent engine performance. These symptoms can also result from ignition, fuel-supply, compression, or linkage problems, so diagnose the complete system before replacing parts.
Is this an OEM Yamaha part?
No. This is an aftermarket replacement carburetor assembly identified for the listed Yamaha reference numbers.
Are installation hardware and gaskets included?
The available product information confirms one carburetor assembly but does not specify additional hardware, gaskets, or seals. Compare the package with the original assembly before installation.
Safety & Important Information
- Verify the complete engine model, year, serial range, and original carburetor before purchase.
- Compare the replacement assembly with the original part, including mounting points, linkages, fuel connections, and reference numbers.
- Work in a well-ventilated area away from flames, sparks, and other ignition sources.
- Check carefully for fuel leaks before operating the engine.
- Professional installation is recommended when the correct adjustment or fitment cannot be confirmed.
About Sea Sierra
- Marine Replacement Parts — Replacement components for selected marine engine applications.
- Compatibility-Focused Listings — Compare engine details and original part references before ordering.
- Support for Installation Planning — Review the product information and service requirements before beginning installation.
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