Carburetor Assembly – Fits Yamaha 15HP 4-Stroke Outboard (Replaces 66M-14301-11-00, 66M-14301-12-00)

Carburetor Assembly – Fits Yamaha 15HP 4-Stroke Outboard (Replaces 66M-14301-11-00, 66M-14301-12-00)

This carburetor assembly is designed for Yamaha 15HP 4-Stroke outboards from approximately 1998 to 2006. It is compatible with F15 models, including both manual and electric start versions.

This unit is a direct replacement for multiple Yamaha and aftermarket part numbers, including Yamaha 66M-14301-00-00, 66M-14301-10-00, 66M-14301-11-00, 66M-14301-12-00, Sierra 18-34600, and Mallory 9-34600.

• Installation: Bolt-on OEM replacement with matching fittings.
• Fuel Type: Compatible with standard gasoline.
• Package Includes: 1 x Complete Carburetor Assembly.

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

• 1 x Carburetor Assembly (Replaces Yamaha p/n 66M-14301-11-00, 66M-14301-12-00)

Installation Guide

1. Ensure the engine is off and the battery is disconnected. Safely disconnect the fuel line, preventing any fuel spills.
2. Carefully note and detach any linkages, hoses, and mounting bolts connected to the old carburetor.
3. Remove the old carburetor assembly. Clean the mounting surface and intake manifold to ensure a proper seal.
4. Position the new carburetor assembly, install a new gasket, and securely fasten the mounting bolts to the recommended torque.
5. Reconnect all linkages, fuel lines, and vacuum hoses to their original positions.
6. Reconnect the battery. Prime the fuel system if necessary before starting.
7. Start the engine in a well-ventilated area and check carefully for any fuel or air leaks. Adjust idle settings as needed for smooth operation.

Troubleshooting & FAQ

Q: How do I confirm this carburetor fits my specific engine?
A: Verify your engine's model and year against the "Compatible Engine Models" table. Additionally, cross-reference your existing part number with our "Part Number Cross-Reference" list to ensure a match. If you are still unsure, contact us with your engine's serial number.

Q: What are common signs that my outboard carburetor needs to be replaced?
A: Symptoms of a failing carburetor include difficulty starting, rough or unstable idling, frequent stalling, hesitation during acceleration, black smoke from the exhaust, and a noticeable decrease in fuel efficiency.

Q: Is any adjustment needed after installation?
A: Our carburetors are built to OEM specifications for bolt-on installation. However, minor idle speed or air/fuel mixture adjustments may be necessary depending on your specific engine's condition, altitude, and local climate.

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.