Carburetor Assembly – Fits Yamaha & Mercury 20-25 HP 4-Stroke Outboard (Replaces 65W-14901-10/11/12)

Carburetor Assembly – Fits Yamaha & Mercury 20-25 HP 4-Stroke Outboard

This carburetor assembly is designed for Yamaha F20A and F25A series 20-25 HP 4-stroke outboards (1999–2006) and select Mercury 20-25 HP 4-stroke models. It serves as a direct-fit replacement, engineered to meet or exceed OEM specifications for reliable performance.

This unit directly replaces Yamaha part numbers 65W-14901-00-00, 65W-14901-10-00, 65W-14901-11-00, 65W-14901-12-00, and others, along with Mercury part numbers 883314T03 and 830276A18.

• Installation Method: Direct replacement for a hassle-free installation.
• Fuel Compatibility: Designed for use with standard gasoline.
• Construction: Built with a durable aluminum alloy housing for longevity.

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.

Confirm your engine model/year in the table below. 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.

Yamaha

Mercury

Parsun (Cross-Referenced)

Technical Specifications

Package Contents

• 1 x Carburetor Assembly (Replaces 65W-14901-10-00 / 65W-14901-11-00 / 65W-14901-12-00)

Installation Guide

1. Safety First: Disconnect the battery and ensure the engine is cool. Shut off the fuel supply valve.
2. Remove Cowling: Take off the engine cover to access the carburetor.
3. Disconnect Lines: Carefully disconnect the fuel lines, throttle linkage, and any vacuum hoses attached to the carburetor. Note their positions for reassembly.
4. Unbolt the Old Carburetor: Remove the nuts or bolts securing the carburetor to the intake manifold.
5. Clean aGasket Surface: Remove the old gasket and thoroughly clean the mounting surface on the intake manifold. Ensure it is free of debris.
6. Install New Carburetor: Position the new gasket and mount the new carburetor assembly. Tighten the mounting bolts evenly.
7. Reconnect Lines: Re-attach the fuel lines, throttle linkage, and any other connections you removed earlier.
8. Initial Test: Turn the fuel supply back on. Prime the carburetor if necessary. Check for any fuel leaks before starting the engine.
9. Adjust and Finalize: Start the engine and let it warm up. Adjust the idle speed screw if needed to achieve a smooth idle. Reinstall the engine cowling.

Troubleshooting & FAQ

Q: How do I confirm this carburetor fits my engine?
A: The best way is to match your original part number to our cross-reference list. Also, check your engine model, horsepower, and year against our compatibility tables. When in doubt, use the engine-specific parts diagrams linked above to verify.

Q: What are common signs that my carburetor needs replacement?
A: Symptoms include difficulty starting, rough or unstable idling, stalling at low speeds, black smoke from the exhaust, and fuel leaking from the carburetor body.

Q: Does this aftermarket carburetor require special adjustments?
A: This carburetor is designed as a direct replacement and is often pre-set close to factory specifications. However, minor adjustments to the idle speed or air/fuel mixture may be necessary depending on your specific engine and local atmospheric conditions.

Q: OEM vs. Aftermarket?
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.