3V1-87122-0 Carburetor Repair Kit for Yamaha 9.9HP 15HP | JLM Marine

Carburetor Repair Kit – Fits Yamaha 9.9HP & 15HP Outboards (1998-2008)

This carburetor repair kit is engineered to restore optimal fuel delivery and engine performance for Yamaha 9.9HP and 15HP four-stroke outboard models. Designed for F9.9C, FT9.9D, and F15 series engines manufactured between 1998 and 2008, this kit provides all essential seals and components needed for a complete carburetor rebuild.

Direct replacement for OEM part number 3V1-87122-0, ensuring seamless compatibility with your original equipment. This kit is also cross-compatible with select Tohatsu and Nissan MFS/NSF 8HP and 9.8HP models from 2004 to 2014, offering versatile fitment across multiple marine engine brands.

• Complete seal and gasket set for comprehensive carburetor overhaul
• Fits both Yamaha and Tohatsu/Nissan four-stroke outboard carburetors
• Restores fuel efficiency and eliminates common carburetor leak issues

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.

Technical Specifications

Package Contents

This carburetor repair kit includes:

• Complete gasket and seal set for carburetor overhaul
• All necessary O-rings and washers
• Fuel inlet needle valve components
• Float bowl gaskets

Installation Guide

1. Disconnect the fuel line and remove the carburetor from the engine following your service manual. Ensure the work area is clean and well-ventilated.
2. Disassemble the carburetor carefully, noting the position of all components. Take photos during disassembly for reference during reassembly.
3. Remove all old gaskets, seals, and O-rings from the carburetor body and components. Use carburetor cleaner to remove any residue or buildup.
4. Inspect all metal components for wear, corrosion, or damage. Replace any damaged parts that are not included in this repair kit.
5. Install new gaskets and seals from the kit, ensuring proper alignment and orientation. Do not over-tighten screws, which can damage new gaskets.
6. Replace the fuel inlet needle valve and seat if included in your kit. Ensure the float mechanism moves freely without binding.
7. Reassemble the carburetor in reverse order of disassembly, referring to your photos. Apply a small amount of fuel-resistant sealant only where specified by the manufacturer.
8. Reinstall the carburetor onto the engine and reconnect all fuel lines and linkages. Double-check all connections for security.
9. Prime the fuel system and check for leaks before starting the engine. Allow the engine to warm up and adjust idle mixture as needed.
10. Test the engine under load and verify smooth acceleration and proper fuel delivery. Make final adjustments to achieve optimal performance.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my specific Yamaha engine?
A: Verify your engine model and year against the compatibility table above. Cross-check your original carburetor part number (3V1-87122-0) stamped on the carburetor body or listed in your service manual to ensure proper fitment.

Q: What are the signs that my carburetor seals need replacement?
A: Common symptoms include fuel leaks around the carburetor, rough idle, difficulty starting, poor acceleration, or fuel smell when the engine is running. If you notice fuel dripping from the carburetor or air filter flooding, seals likely need replacement.

Q: How often should I rebuild my outboard carburetor?
A: Carburetor seals typically require replacement every 3-5 years or sooner if you use ethanol-blended fuel, which degrades rubber components faster. Annual inspection is recommended, especially if the engine sits unused for extended periods.

Q: Can I use this kit on carburetors with extensive corrosion or damage?
A: This kit replaces seals and gaskets only; it does not include metal components like jets, float valves, or throttle shafts. If your carburetor body or internal passages show significant corrosion or wear, you may need additional parts or a complete carburetor replacement.

Q: What's the difference between this aftermarket kit and the OEM version?
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.