Carburetor Repair Kit 62Y-W0093-11 – Fits Yamaha 4-Stroke 40HP & 50HP Outboard Motors
This carburetor repair kit is designed for Yamaha 4-stroke outboard engines, specifically the 40HP F40 (1999) and 50HP F50 (1995–2000) models. It provides essential components to restore proper fuel delivery and carburetor function, ensuring smooth engine performance and reliability on the water.
This kit serves as a direct replacement for Yamaha OEM part numbers 62Y-W0093-00, 62Y-W0093-01, and 62Y-W0093-11, offering comprehensive coverage for multiple production runs of these popular mid-range Yamaha outboards.
- Complete rebuild solution for Yamaha F40 and F50 carburetors
- Restores fuel system integrity and engine performance
- Includes all critical seals, gaskets, and components for a thorough rebuild
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket sources.
| Brand |
Part Number |
Notes |
| Yamaha |
62Y-W0093-11 |
Primary OEM number |
| Yamaha |
62Y-W0093-00 |
Superseded part number |
| Yamaha |
62Y-W0093-01 |
Superseded part number |
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.
| Brand |
Model |
Rated HP |
Stroke |
Years |
| Yamaha |
F40 |
40HP |
4-Stroke |
1999 |
| Yamaha |
F50 |
50HP |
4-Stroke |
1995–2000 |
Technical Specifications
| Specification |
Value |
| Part Type |
Carburetor Repair Kit |
| OEM Part Number |
62Y-W0093-11 |
| Application |
Yamaha 4-Stroke Outboard Engines |
| Compatible HP Range |
40HP – 50HP |
| Engine Stroke |
4-Stroke |
Package Contents
This carburetor repair kit includes all essential components needed for a complete rebuild:
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1 × Carburetor Repair Kit (includes gaskets, O-rings, seals, and internal components)
Installation Guide
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Disconnect the battery and ensure the engine is completely cool. Remove the engine cowling to access the carburetor assembly.
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Disconnect fuel lines from the carburetor and plug them to prevent spillage. Label all linkages and throttle cables before removal.
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Remove the carburetor from the intake manifold by loosening mounting bolts. Place it on a clean, lint-free work surface.
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Disassemble the carburetor carefully, noting the position of jets, floats, and needle valves. Take photos if needed for reference during reassembly.
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Remove all old gaskets and seals completely. Clean carburetor body, jets, and passages thoroughly using carburetor cleaner and compressed air.
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Install new gaskets, O-rings, and seals from the repair kit in the exact positions of the old components. Ensure proper orientation and seating.
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Reassemble the carburetor using your notes or photos, ensuring all jets and needles are torqued to specification. Replace the float and needle valve assembly.
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Reinstall the carburetor onto the intake manifold with new mounting gaskets. Torque bolts evenly in a cross pattern to prevent warping.
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Reconnect all fuel lines, linkages, and throttle cables in their original positions. Double-check that all connections are secure and properly routed.
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Reconnect the battery and prime the fuel system. Start the engine and check for fuel leaks around all carburetor connections.
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Adjust idle speed and fuel mixture according to manufacturer specifications. Allow the engine to warm up fully before final adjustments.
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Test run the engine at various RPM ranges to ensure smooth operation. Reinstall the engine cowling once performance is verified.
Troubleshooting & FAQ
Q: How do I confirm this carburetor kit fits my Yamaha outboard?
A: Verify your engine model and year against our compatibility table. For F40 (1999) and F50 (1995–2000) models, cross-check your original part number (62Y-W0093-11, 62Y-W0093-00, or 62Y-W0093-01) to ensure a perfect match.
Q: How often should I rebuild my carburetor with this kit?
A: Rebuild intervals depend on usage and fuel quality. Typically, carburetor service is recommended every 2–3 years or 200–300 hours of operation, or whenever you experience rough idling, poor acceleration, or fuel leaks.
Q: What are the signs that my carburetor needs rebuilding?
A: Common symptoms include rough or erratic idling, difficulty starting (especially when cold), poor throttle response, excessive fuel consumption, fuel leaking from carburetor body, or black smoke from the exhaust indicating a rich fuel mixture.
Q: Do I need any special tools to install this carburetor repair kit?
A: Basic hand tools (screwdrivers, wrenches, pliers) are sufficient. A carburetor cleaner, compressed air, and a torque wrench are highly recommended for proper cleaning and reassembly to manufacturer specifications.
Q: Can I install just some components from the kit or should I use everything?
A: For best results and long-term reliability, replace all gaskets, seals, and O-rings included in the kit during rebuild. Reusing old components may lead to leaks or premature failure.
Q: Is this an OEM or aftermarket part?
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.