65W-14901-00 Carburetor for Yamaha Mercury F20 F25 | JLM Marine

65W-14901-00 Carburetor for Yamaha Mercury F20 F25 | JLM Marine

This premium aftermarket carburetor assembly is designed for Yamaha and Mercury 4-stroke outboard engines rated 20HP and 25HP. It provides reliable fuel delivery for models manufactured from 1999 onwards, ensuring optimal engine performance and smooth operation across a wide range of F20 and F25 configurations.

The carburetor directly replaces multiple OEM part numbers across Yamaha, Mercury, and aftermarket brands, offering broad compatibility with both Yamaha F20/F25 engines and Mercury Mariner F20/F25 models. It is engineered to meet OEM specifications for dependable fitment and long-term durability.

• Complete carburetor assembly ready for installation
• Designed for 4-stroke engines rated 20–25 HP
• Direct replacement for Yamaha 65W-14901-00 and Mercury 883314T1 series

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.

Technical Specifications

Package Contents

• 1 × Carburetor Assembly (Complete Unit)
• Fits Yamaha part number: 65W-14901
• Compatible with Yamaha Outboard Engine 20HP 25HP F20 F25 4-Stroke

Installation Guide

1. Disconnect the fuel line from the existing carburetor and ensure the fuel valve is closed to prevent spillage.
2. Remove the air intake cover and any linkage connected to the throttle and choke mechanisms.
3. Unbolt the old carburetor from the intake manifold using the appropriate socket or wrench. Keep all fasteners for reinstallation.
4. Inspect the intake manifold gasket for damage or wear; replace if necessary to ensure a proper seal.
5. Position the new carburetor onto the intake manifold, aligning the mounting holes and gasket carefully.
6. Secure the carburetor with the original bolts, tightening evenly in a cross pattern to OEM torque specifications.
7. Reconnect throttle and choke linkages, ensuring smooth operation and proper cable routing without binding.
8. Attach the fuel line to the carburetor inlet, checking that all clamps are secure and fuel-tight.
9. Reinstall the air intake cover and any removed components, ensuring all fasteners are properly tightened.
10. Prime the fuel system by squeezing the primer bulb until it becomes firm, then open the fuel valve.
11. Start the engine and allow it to warm up; check for fuel leaks around the carburetor and connections.
12. Adjust idle speed and mixture (if applicable) according to your engine's service manual for optimal performance.

Troubleshooting & FAQ

Q: How do I confirm this carburetor fits my engine?
A: Cross-reference your current OEM part number with the part numbers listed above. Check your engine model and year in the compatibility table, and verify the carburetor visually matches your original unit.

Q: What are the signs that my carburetor needs replacement?
A: Common symptoms include rough idling, difficulty starting, poor acceleration, excessive fuel consumption, black smoke from the exhaust, or fuel leaking from the carburetor body.

Q: How often should I replace or service my carburetor?
A: Carburetors typically require cleaning every 100–200 hours of operation or annually. Replace the carburetor if it shows wear, corrosion, or persistent performance issues that cleaning cannot resolve.

Q: Can I use this carburetor on both Yamaha and Mercury engines?
A: Yes, this carburetor is compatible with both Yamaha F20/F25 and Mercury Mariner F20/F25 4-stroke engines. Verify your specific part number to ensure proper fitment.

Q: Do I need to adjust the carburetor after installation?
A: Most aftermarket carburetors come pre-set to OEM specifications. Minor idle and mixture adjustments may be needed depending on your engine's condition and operating environment; consult your service manual for adjustment procedures.

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?

• 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.