63V-W0093-00-00 Carburetor Repair Kit for Yamaha | JLM Marine

Carburetor Repair Kit – Fits Yamaha 9.9 HP & 15 HP Outboards (1995-2012)

This comprehensive carburetor repair kit is designed to fit Yamaha 9.9 HP and 15 HP outboard engines manufactured between 1995 and 2012. It provides all the essential gaskets, seals, and components needed to rebuild and restore your carburetor to optimal performance.

This aftermarket kit directly replaces OEM part number 63V-W0093-00-00 and cross-references with 63V-W0093-01-00 (Yamaha Marine) and 18-7058 (Sierra Marine), ensuring broad compatibility across multiple sourcing options.

• Complete rebuild solution with 11 precision components including gaskets, float assembly, needle valve, and hardware
• Restores fuel metering accuracy and prevents leaks in aging carburetors
• Essential maintenance item for reliable engine starting and smooth operation

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 kit includes 11 precision-engineered components for a complete carburetor rebuild:

Installation Guide

1. Preparation: Disconnect the fuel line and remove the carburetor from the engine. Clean the exterior thoroughly before disassembly.
2. Disassemble Carburetor: Remove the float chamber screws and carefully separate the float bowl from the carburetor body.
3. Remove Old Components: Extract the old float, needle valve, gaskets, and pilot screw. Note the orientation and position of each part.
4. Clean All Passages: Use carburetor cleaner and compressed air to clear all jets, passages, and ports. Inspect for corrosion or damage.
5. Install New Gaskets: Place the new gaskets from the kit onto the carburetor body, ensuring proper alignment with all holes and channels.
6. Install Float Assembly: Insert the new float pin and attach the float. Install the new needle valve into the float arm using the pin provided.
7. Adjust Float Height: Set the float height according to your engine's service manual specifications for proper fuel level.
8. Install Pilot Screw: Thread in the new pilot screw gently until seated, then back out 1.5-2 turns as a baseline setting (consult manual for exact specs).
9. Reassemble Float Chamber: Position the new float chamber gasket and reattach the bowl using the new screws with washers. Tighten in a cross pattern to factory torque specs.
10. Reinstall Carburetor: Mount the rebuilt carburetor back onto the engine and reconnect the fuel line and linkages.
11. Prime and Test: Prime the fuel system, check for leaks around all gasket surfaces, and start the engine.
12. Final Adjustment: Allow the engine to warm up and fine-tune the pilot screw for smooth idle and throttle response.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my specific Yamaha engine?
A: Verify your engine is a Yamaha 9.9 HP or 15 HP model manufactured between 1995 and 2012. Cross-reference your existing carburetor kit part number (63V-W0093-00-00 or 63V-W0093-01-00) with the compatibility table above, or use the Yamaha serial number guide linked in the Compatible Engine Models section.

Q: How often should I rebuild my carburetor with this kit?
A: Carburetor rebuild intervals depend on usage and fuel quality. Generally, inspect your carburetor annually and rebuild every 2-3 years or whenever you experience hard starting, rough idle, fuel leaks, or poor throttle response. Engines stored for extended periods or using ethanol-blended fuel may require more frequent service.

Q: What are the signs that my carburetor needs rebuilding?
A: Common symptoms include difficulty starting, erratic idle, fuel leaking from the float bowl, poor acceleration, black smoke from the exhaust, or the engine running too rich or lean. If you notice fuel dripping or strong fuel odors, the gaskets and seals likely need replacement.

Q: Can I reuse any of the old carburetor components?
A: It is strongly recommended to replace all gaskets, seals, and the needle valve with the new components provided in this kit. Reusing old parts can lead to leaks and improper fuel metering, defeating the purpose of the rebuild.

Q: Is this an OEM Yamaha part or an aftermarket replacement?
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.