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

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

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.