Carburetor for Yamaha T9.9G and F9.9F 9.9HP Outboard Engines | Replaces 6AU-14301-40, 6AU-14301-41, 6AU-14301-30, 6AU-14301-31

Product Details

This carburetor assembly is a replacement fuel-system component for Yamaha 9.9HP T9.9G and F9.9F outboard engine series. It is designed to support proper fuel delivery and fuel-air mixing when replacing a worn, damaged, or otherwise unserviceable carburetor.

This replacement carburetor is listed for the Yamaha T9.9G and F9.9F 9.9HP applications and references Yamaha OEM part numbers 6AU-14301-40, 6AU-14301-41, 6AU-14301-30, and 6AU-14301-31. Verify the exact engine model designation and the part number on your original carburetor before ordering.

• Replacement carburetor assembly for compatible Yamaha 9.9HP outboards
• Designed for Yamaha T9.9G and F9.9F engine series
• Supports consistent fuel delivery and engine operation when correctly installed and adjusted
• Aftermarket replacement component; not manufactured by Yamaha

Part Number Matrix

The following Yamaha OEM numbers are listed as reference numbers for this replacement carburetor. Confirm the number and physical configuration of your original part before purchase.

Engine & Model Compatibility

This product is listed for Yamaha 9.9HP outboard engines in the T9.9G and F9.9F series. Model suffixes, production year, serial number, controls, and other configuration details can affect fitment, so compare your complete engine designation and original carburetor before ordering.

Technical Specs

Part Type

Carburetor assembly

Engine Brand

Yamaha Outboard

Engine Series

T9.9G and F9.9F

Rated Engine Output

9.9HP

Application

Marine outboard engine

OEM Reference Numbers

6AU-14301-40, 6AU-14301-41, 6AU-14301-30, 6AU-14301-31

What's in the Box

• One carburetor assembly

Gaskets, hardware, linkages, fuel pumps, strainers, and other accessories are not included unless specifically shown or stated in the product listing.

Installation Notes

1. Disconnect the battery, shut off the fuel supply, and allow the engine to cool before beginning work.
2. Disconnect the fuel line and remove the throttle and choke linkages from the original carburetor.
3. Remove the mounting fasteners securing the carburetor to the intake manifold.
4. Remove the old carburetor and inspect the mounting gasket and adjacent fuel-system components.
5. Clean the mounting surface and remove residue or debris without allowing contaminants to enter the intake.
6. Install a new mounting gasket if the existing gasket is damaged, compressed, or otherwise unsuitable for reuse.
7. Position the replacement carburetor on the intake manifold and install the mounting fasteners.
8. Tighten the fasteners evenly according to the engine manufacturer's service specifications.
9. Reconnect the throttle and choke linkages, confirming full range of motion and correct return action.
10. Reconnect the fuel line, prime the fuel system, and inspect all connections for leaks before starting the engine.
11. After installation, check idle quality and throttle response. Adjust only according to the applicable Yamaha service procedure.

Troubleshooting & FAQ

How do I know if my carburetor needs replacement?

Hard starting, rough or unstable idling, poor throttle response, fuel leakage, or persistent fuel-mixture problems can indicate a carburetor issue. Inspect and clean the fuel system first where appropriate. If cleaning and service do not restore proper operation, replacement may be necessary.

Will this fit my specific Yamaha 9.9HP model?

This product is listed for Yamaha T9.9G and F9.9F 9.9HP outboard series. Because complete model suffixes, production details, and serial-number ranges can vary, compare your complete engine model and the OEM reference number on your original carburetor before ordering.

Do I need to adjust the carburetor after installation?

Adjustment or synchronization may be required after installation. Follow the service procedure for your exact Yamaha engine model and do not change adjustment settings without confirming the correct specifications.

Is this an OEM Yamaha carburetor?

No. This listing is for an aftermarket replacement carburetor. The Yamaha numbers shown are OEM reference numbers used to help compare the replacement with the original application.

Can I install this myself?

Installation requires basic mechanical skills, suitable hand tools, and careful handling of fuel-system components and throttle or choke linkages. If you are not familiar with outboard fuel systems or adjustment procedures, professional installation is recommended.

How often should a carburetor be replaced?

There is no universal replacement interval. Replace the carburetor when cleaning, inspection, and service no longer restore proper operation, or when the body is cracked, severely corroded, or otherwise damaged.

What should I verify before ordering?

Verify that your engine is a Yamaha 9.9HP T9.9G or F9.9F series model, compare the complete model designation, and check the original carburetor against the listed OEM reference numbers and product configuration.

Safety & Important Info

• Work in a well-ventilated area away from flames, sparks, and other ignition sources.
• Disconnect the fuel supply before removing fuel-system components and clean up spilled fuel immediately.
• Verify the engine model, model suffix, original part number, mounting pattern, linkages, and fuel connections before purchase.
• This is an aftermarket replacement, not an OEM Yamaha component.
• Professional installation is recommended if you are not confident working with marine fuel systems.

About Sea Sierra

• Marine Replacement Parts — We supply replacement components for a range of outboard and marine applications.
• Application-Focused Listings — Product references and compatibility information are provided to help you compare the replacement with your original part.
• Support for Installation Decisions — Always verify the complete engine model and original part number before ordering or installing a replacement component.