Carburetor Repair Kit – Fits Yamaha/Mercury 8-15HP 4-Stroke Outboards

Carburetor Repair Kit – Fits Yamaha/Mercury 8-15HP 4-Stroke Outboards

This carburetor repair kit provides the essential components needed to rebuild and restore the carburetors on select Yamaha and Mercury 4-stroke outboard motors. It is designed to fit Yamaha F15 and T9.9 series engines from 1998–2006, as well as Mercury 8HP, 9.9HP, and 15HP models that use the specified part numbers.

This kit serves as a direct replacement for Yamaha part numbers 66M-W0093-00-00 and 66M-W0093-01-00, Mercury part number 802706A1, and Sierra part number 18-7738, ensuring a precise fit and restoring original performance.

• Complete Rebuild Kit: Includes all necessary gaskets, seals, float, needle valve, and hardware for a comprehensive overhaul.
• Fuel Type Compatibility: Designed for use with gasoline fueled engines.
• Installation: Engineered for direct replacement of original factory components.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Yamaha Models

Mercury Models

Technical Specifications

Package Contents

• 1 x Gasket (66M-14398-00-00)
• 1 x Gasket (6L2-14398-00-00)
• 1 x Stopper (66M-14377-00-00)
• 1 x Gasket, Float Chamber (66M-14384-00-00)
• 1 x Float (6L2-14385-00-00)
• 1 x Pin, Float (6E5-14386-01-00)
• 1 x Needle Valve (6L2-14392-00-00)
• 1 x Gasket (62Y-14399-00-00)
• 1 x Screw, Air Adjusting (5H0-14323-00-00)
• 4 x Screw With Washer (97980-04112-00)
• 1 x O-Ring (62Y-14397-00-00)
• 1 x O-Ring (6F5-14397-00-00)
• 1 x O-Ring (5H0-14397-00-00)
• 1 x Filter (66M-14827-00-00)

Explosion Diagram

Installation Guide

1. Safety First: Disconnect the battery and ensure the fuel supply is shut off before beginning work.
2. Remove Carburetor: Carefully detach the fuel lines and linkages, then unbolt and remove the carburetor from the engine manifold.
3. Disassemble: Working in a clean area, disassemble the carburetor. Pay close attention to the location and orientation of each part.
4. Clean Components: Thoroughly clean all metal parts using a quality carburetor cleaner. Do not use cleaner on non-metal components.
5. Install New Parts: Replace the old gaskets, seals, O-rings, float, and needle valve with the new components from this kit.
6. Reassemble: Carefully reassemble the carburetor, making sure all screws are tightened to the proper torque specifications.
7. Reinstall: Mount the rebuilt carburetor back onto the engine, reattaching all linkages and fuel lines.
8. Final Adjustments: Start the engine and adjust the idle and mixture screws as needed to achieve smooth operation.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my specific engine model?
A: Cross-reference your engine's model and year with our "Compatible Engine Models" tables. It is also critical to verify that your current carburetor corresponds to the OEM part numbers listed, such as Yamaha 66M-W0093-01-00 or Mercury 802706A1.

Q: What are the signs that my carburetor needs a rebuild?
A: Common symptoms of a failing carburetor include difficulty starting, rough or unstable idling, stalling at low speeds, poor acceleration, and excessive fuel consumption or black smoke from the exhaust.

Q: Does this kit contain everything I need for a full rebuild?
A: Yes, this is a comprehensive kit that includes all the essential components for a standard carburetor overhaul: a new float, needle valve, gaskets, seals, and related hardware as detailed in the "Package Contents" section.

Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.