6E3-14301-00 Carburetor for Yamaha Mercury Mariner 4M 5M | JLM Marine

Carburetor for Yamaha Mercury Mariner 4M 5M – OEM 6E3-14301-00

This aftermarket carburetor is engineered to fit Yamaha 4HP and 5HP two-stroke outboard engines (1994–2002), including 4M and 5M series models. It directly replaces a wide range of Yamaha OEM part numbers and is also compatible with Mercury Mariner 2-stroke 4HP and 5HP engines, making it a versatile solution for older small-displacement outboards.

This carburetor cross-references to multiple Yamaha part numbers (6E3-14301 series and 6E0-14301 series) and Mercury Mariner numbers (1383-8390M, 1383-9508M, 8390M, 9508M), ensuring broad coverage across these engine families. Built to OEM specifications, it delivers reliable fuel metering for dependable performance.

• Package includes: Carburetor and gasket (6E0-14198-A0) for complete installation
• Direct replacement for both Yamaha and Mercury Mariner engines
• Designed for two-stroke fuel systems

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

• Carburetor × 1
• Gasket (6E0-14198-A0) × 1

Installation Guide

1. Disconnect the fuel line from the old carburetor and remove the throttle linkage. Ensure the engine is off and cool before starting work.
2. Unbolt the old carburetor from the intake manifold using the appropriate socket or wrench. Keep fasteners organized for reassembly.
3. Remove the old gasket from the mounting surface and clean any residue or debris with a gasket scraper or carburetor cleaner. Ensure the surface is dry and smooth.
4. Position the new gasket (6E0-14198-A0) onto the intake manifold studs or bolt holes. Verify alignment before placing the carburetor.
5. Install the new carburetor onto the gasket and hand-tighten the mounting bolts. Torque bolts in a crisscross pattern to manufacturer specifications to ensure even sealing.
6. Reconnect the throttle linkage and adjust cable tension as needed for smooth operation. Check for full throttle and idle positions.
7. Attach the fuel line securely to the carburetor inlet and ensure the primer bulb (if equipped) is connected properly.
8. Prime the fuel system by squeezing the primer bulb until firm, then inspect all connections for leaks.
9. Start the engine and allow it to warm up to operating temperature. Monitor for smooth idle and throttle response.
10. Adjust idle speed using the idle screw on the carburetor if necessary. Consult your engine's service manual for recommended RPM settings.
11. Inspect all fasteners and connections one final time while the engine is running to ensure there are no fuel leaks or loose components.
12. Test the engine under load to confirm proper fuel delivery and performance across all throttle positions.

Troubleshooting & FAQ

Q: How do I confirm this carburetor fits my engine?
A: Cross-reference your engine's model, year, and current OEM part number with the compatibility tables above. For Yamaha engines, verify you have a 4HP or 5HP two-stroke from 1994–2002 (4M, 5M, L, or S series). For Mercury Mariner, confirm your engine is a 2-stroke 4HP or 5HP model. If your original carburetor matches any of the listed part numbers, this unit will fit.

Q: What are the signs that my carburetor needs replacement?
A: Common symptoms include hard starting, rough or inconsistent idle, poor throttle response, excessive fuel consumption, black smoke from the exhaust, or fuel leaking from the carburetor body. If cleaning and rebuilding the old carburetor doesn't resolve these issues, replacement is recommended.

Q: How often should I replace or service my carburetor?
A: Carburetors don't have a fixed replacement interval but should be inspected annually or whenever performance issues arise. Regular maintenance—such as cleaning jets, replacing gaskets, and using fresh fuel with stabilizer—can extend carburetor life significantly. Replace when internal components are worn or damaged beyond cleaning.

Q: Does this kit include all necessary gaskets and hardware?
A: Yes, this package includes the carburetor and the intake gasket (6E0-14198-A0). You may need to reuse your existing mounting bolts and throttle linkage components from the original carburetor.

Q: Is this an OEM 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.