Carburetor Assembly for Yamaha 6 HP and 8 HP Outboards – 2-Stroke and 4-Stroke, 2004 and Later

Product Details

This carburetor assembly is a replacement component for Yamaha 6 HP and 8 HP outboard motors from 2004 and later. The listed application covers both two-stroke and four-stroke configurations, including the Yamaha F6, F8, and T8 model families. Always compare the original carburetor, engine model, and applicable part number before ordering.

The assembly is associated with the following Yamaha reference numbers: 68T-14301-11, 68T-14301-11-00, 68T143011100, 68T-14301-20, and 68T-14301-41-00. These references are provided for identification and fitment checking; they should not be treated as interchangeable across every engine without confirming the exact model application.

• Replacement carburetor assembly for selected Yamaha 6 HP and 8 HP outboards
• Applications include both two-stroke and four-stroke engines
• Designed for the fuel-delivery system of the listed outboard applications
• Single carburetor assembly; gaskets, bolts, and other installation hardware are not included unless separately specified

Part Number Matrix

Use the following Yamaha reference numbers when comparing your original component and engine parts information.

Engine & Model Compatibility

The company fitment description covers Yamaha 6 HP and 8 HP two-stroke and four-stroke outboards from 2004 and later. The model families below represent the documented application range. Confirm the complete model code and year on your engine before installation.

Technical Specs

Component

Carburetor assembly

Brand Application

Yamaha outboard

Rated Engine Range

6 HP and 8 HP

Stroke Applications

Two-stroke and four-stroke

Model Years

2004 and later

Primary Reference

68T-14301-11

What's in the Box

• Carburetor assembly — 1 piece

Mounting gaskets, bolts, fuel-line fittings, and other accessories are not listed as included. Inspect the existing hardware and obtain any required replacement parts separately.

Installation Notes

1. Place the outboard in a secure, well-ventilated work area and disconnect the fuel supply before beginning work.
2. Remove the engine cover and identify the fuel line, throttle linkage, choke linkage, and carburetor mounting points.
3. Record or photograph the linkage and hose routing so the connections can be restored correctly.
4. Disconnect the fuel line and control linkages, then remove the fasteners securing the original carburetor.
5. Remove the original assembly carefully and clean the intake and gasket surfaces without allowing debris to enter the engine.
6. Install a suitable new gasket if required. A gasket is not listed as included with this carburetor assembly.
7. Position the replacement carburetor squarely on the intake and tighten the mounting fasteners evenly to the engine manufacturer's service-manual specifications.
8. Reconnect the throttle and choke linkages, ensuring that each moves smoothly through its full range without binding.
9. Reconnect the fuel line securely and inspect all connections for leakage before starting the engine.
10. Prime the fuel system according to the engine manufacturer's procedure, then start the engine in a safe test area.
11. Check idle quality, throttle response, fuel leakage, and linkage operation. Make any required adjustments only according to the applicable service manual.

Troubleshooting & FAQ

Will this carburetor fit my Yamaha 9.9 HP engine?

The documented application for this assembly is Yamaha 6 HP and 8 HP outboards, covering two-stroke and four-stroke models from 2004 and later. Do not assume compatibility with a 9.9 HP engine based only on similar appearance. Confirm the exact engine model and reference number first.

Is this carburetor for a two-stroke or four-stroke engine?

Both applications are documented. The fitment includes four-stroke F6 and F8 configurations and two-stroke T8 configurations. The complete engine model code must still be checked before ordering.

Do I need to adjust the carburetor after installation?

Adjustment requirements depend on the engine and the condition of the fuel system. After installation, check idle speed, throttle response, fuel leakage, and control-linkage operation. Follow the applicable Yamaha service-manual procedure for any adjustment.

Are gaskets and hardware included?

No additional gasket or mounting hardware is listed as included. This product is supplied as a single carburetor assembly. Reuse hardware only if it is serviceable and obtain a suitable gasket separately when required.

What are common signs of a faulty carburetor?

Possible symptoms include hard starting, rough idle, poor throttle response, loss of power, fuel leakage, or inconsistent running. Before replacing the carburetor, also inspect the fuel quality, fuel lines, filter, tank vent, ignition system, and linkage.

How can I confirm fitment before ordering?

Compare the complete engine model code, model year, stroke type, original carburetor appearance, and reference number. The listed application is Yamaha 6 HP and 8 HP outboards from 2004 and later, but model suffixes can affect the correct component.

Safety & Important Information

• Work only in a well-ventilated area away from flames, sparks, and other ignition sources.
• Drain or contain fuel safely and dispose of contaminated fuel according to local requirements.
• Verify the complete engine model, year, stroke type, and reference number before purchase.
• Do not operate the outboard if fuel leaks are present or if the throttle and choke linkages do not move freely.
• Use the applicable engine service manual for torque values, adjustment procedures, and final testing.
• Professional installation is recommended when the correct model application or adjustment procedure is uncertain.

About Sea Sierra

• We supply replacement marine components for a range of outboard service applications.
• Product fitment information is provided to help customers compare engine models and reference numbers before ordering.
• For the best result, verify the original component and complete engine identification details before installation.