6L2-14301-00 6L2-14302-00 Carburetor for Yamaha 20HP 25HP 2-Stroke Outboard | JLM Marine

Carburetor for Yamaha 20HP 25HP 2-Stroke Outboard

This aftermarket carburetor is designed to fit Yamaha 20HP and 25HP 2-stroke outboard engines. Engineered to meet OEM specifications, it delivers reliable fuel delivery and throttle response for your marine application.

This carburetor directly replaces Yamaha OEM part numbers 6L2-14301-00 and 6L2-14302-00, as well as Sierra 6L2-14301-00 and 6L2-14302-00, providing a cost-effective solution for maintaining optimal engine performance.

• Compatible with Yamaha 20HP and 25HP 2-stroke outboard engines
• Direct replacement for multiple OEM and aftermarket part numbers
• Ensures proper fuel mixture and engine efficiency

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

• 2 × Carburetor

Installation Guide

1. Preparation: Disconnect the fuel line and remove the engine cover to access the carburetor. Ensure the engine is cool and the ignition is off.
2. Remove Old Carburetor: Disconnect the throttle linkage and choke cable from the old carburetor. Remove the mounting bolts or nuts securing the carburetor to the intake manifold.
3. Inspect Gaskets: Check the condition of the mounting gasket and replace it if worn or damaged to prevent air leaks.
4. Install New Carburetor: Position the new carburetor onto the intake manifold with a new gasket. Secure it with the mounting hardware, tightening evenly.
5. Reconnect Linkages: Attach the throttle linkage and choke cable to the new carburetor, ensuring smooth operation without binding.
6. Fuel Line Connection: Reconnect the fuel line to the carburetor inlet, ensuring a tight and leak-free connection.
7. Prime and Test: Prime the fuel system by squeezing the primer bulb until firm. Start the engine and check for smooth idle and acceleration.
8. Adjustments: If necessary, adjust the idle speed and fuel mixture screws according to your engine's service manual specifications.
9. Final Inspection: Check for any fuel leaks around connections and ensure all linkages move freely. Reinstall the engine cover.

Troubleshooting & FAQ

Q: How do I confirm this carburetor fits my Yamaha engine?
A: Verify that your engine is a Yamaha 20HP or 25HP 2-stroke model and that your original carburetor has part number 6L2-14301-00 or 6L2-14302-00. Cross-reference with the compatibility table and consult exploded diagrams if needed.

Q: What are the signs that my carburetor needs replacement?
A: Common symptoms include rough idling, difficulty starting, poor acceleration, excessive fuel consumption, or black smoke from the exhaust. If cleaning and adjustments don'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 cleaned annually or whenever performance issues arise. Replace the carburetor if internal components are corroded, worn, or damaged beyond cleaning.

Q: Can I use this carburetor on a 4-stroke engine?
A: No, this carburetor is specifically designed for Yamaha 2-stroke outboards rated at 20HP or 25HP. Using it on a 4-stroke engine or different displacement will cause performance and compatibility issues.

Q: Will this work with ethanol-blended fuel?
A: Yes, this carburetor is compatible with modern ethanol-blended fuels (E10). However, it's recommended to use fuel stabilizer and drain the carburetor when storing the engine for extended periods.

Q: Is this an OEM or aftermarket carburetor?
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.