Carburetor Assembly – Fits Yamaha F9.9J FT9.9L T9.9MHB (Replaces 6DR-14301-00)

Product Details

This Carburetor Assembly is designed as a direct replacement for Yamaha outboard models F9.9J, FT9.9L, and T9.9MHB. Engineered to restore proper fuel delivery and engine performance, this aftermarket carburetor ensures reliable operation across compatible 9.9 HP Yamaha engines.

This assembly replaces Yamaha OEM part number 6DR-14301-00, providing an interchange solution for maintaining fuel system integrity.

• Direct bolt-on replacement for select Yamaha 9.9 HP models
• Restores proper air-fuel mixture and idle stability
• Compatible with standard marine gasoline

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Technical Specs

Part Type

Carburetor Assembly

Application

Yamaha 9.9 HP Outboard Engines

Replaces OEM

6DR-14301-00

Fuel Type

Marine Gasoline

What's in the Box

• 1 × Carburetor Assembly

Installation Notes

1. Disconnect the fuel line and remove the engine cover to access the carburetor.
2. Disconnect throttle and choke linkages, taking note of their positions for reassembly.
3. Remove the mounting bolts securing the old carburetor to the intake manifold.
4. Carefully lift off the old carburetor and inspect the gasket surface for residue or damage.
5. Install a new gasket (if included or separately sourced) onto the intake manifold.
6. Position the new carburetor assembly onto the mounting studs and hand-tighten bolts evenly.
7. Torque mounting bolts to manufacturer specifications in a cross pattern.
8. Reconnect throttle and choke linkages, ensuring smooth operation without binding.
9. Attach the fuel line securely and check for any signs of leakage.
10. Start the engine and allow it to warm up, then adjust idle speed and mixture as needed.
11. Verify smooth throttle response and stable idle before returning to normal operation.

Troubleshooting & FAQ

How do I know if my carburetor needs replacement?

Common signs include rough or unstable idle, difficulty starting, poor throttle response, black smoke from the exhaust, or fuel leaking from the carburetor body. If cleaning and adjustment do not resolve these issues, replacement is recommended.

Will this carburetor fit my engine if the model number matches?

If your engine model (F9.9J, FT9.9L, or T9.9MHB) and OEM part number (6DR-14301-00) match, this carburetor is designed to fit. Always verify against your existing part before purchasing.

Does this assembly include gaskets or mounting hardware?

Package contents are listed in the "What's in the Box" section. If gaskets or hardware are not mentioned, they should be sourced separately or reused from the original installation if in good condition.

How is this different from the OEM Yamaha carburetor?

This is an aftermarket replacement manufactured to meet OEM specifications. It is designed to perform equivalently to the original Yamaha part at a more accessible price point.

Do I need to adjust the carburetor after installation?

Initial settings are typically pre-configured, but fine-tuning idle speed and air-fuel mixture may be necessary after installation to match your specific engine and operating conditions.

Can I install this myself or do I need a mechanic?

Installation requires basic mechanical skills and familiarity with outboard fuel systems. If you are comfortable working with small engine components and linkages, this is a manageable DIY project. Otherwise, professional installation is recommended.

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 against 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.