Carburetor Assembly – Fits Yamaha 90HP Outboard Motors (Replaces 6H1-14301-0B-00)

Carburetor Assembly – Fits Yamaha 90HP Outboard Motors (Replaces 6H1-14301-0B-00)

This carburetor assembly is engineered for Yamaha 90HP, 3-Cylinder, 2-Stroke outboard engines manufactured between 1999–2006. It serves as a direct-fit replacement, ensuring reliable fuel delivery and engine performance.

It replaces a range of Yamaha part numbers, including 6H1-14301-07-00, 6H1-14301-08-00, 6H1-14301-0B-00, 6H1-14301-30-00, 6H1-14301-31-00, and 6H1-14301-33-00, providing broad compatibility for various model years within the specified range.

• Installation Method: Direct OEM Replacement
• Fuel Compatibility: Designed for standard gasoline
• Position: Specifically designed for the #1 position in multi-carburetor configurations

Part Number Cross-Reference

Use this table to confirm equivalent part numbers and their supersession history.

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 1 (6H1-14301-0B-00)

Installation Guide

1. Safety First: Disconnect the battery and ensure the work area is well-ventilated. Shut off the fuel supply.
2. Remove Cowling: Take off the engine cover to access the carburetor assembly.
3. Disconnect Lines: Carefully disconnect the fuel lines and throttle/choke linkages from the old carburetor. Note their positions for reassembly.
4. Remove Old Carburetor: Unbolt the existing carburetor from the intake manifold. Be careful not to drop any hardware into the engine.
5. Install New Carburetor: Mount the new carburetor, ensuring the gasket provides a proper seal. Re-torque the mounting bolts to the manufacturer's specification.
6. Reconnect Lines: Attach all fuel lines and control linkages to their correct connections on the new unit.
7. Test: Reconnect the battery and prime the fuel system. Start the engine and check for any fuel leaks. Adjust idle speed as needed.

Troubleshooting & FAQ

How do I confirm this fits my engine?
First, check your engine's model and year against the "Compatible Engine Models" table. Second, verify your existing part number matches one of the numbers listed in the "Part Number Cross-Reference" section. Using the provided Yamaha guides to find your serial number can help confirm your exact model.

My Yamaha 90HP engine has three carburetors. Which one is this?
This is the carburetor for the #1 position (top) in a 3-carburetor configuration.

What are common signs that a carburetor needs replacement?
Symptoms include difficulty starting, rough idling, stalling at low speeds, engine hesitation upon acceleration, and visible fuel leaks from the carburetor body.

OEM vs. Aftermarket?
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.

How fast do you ship and how much does it cost?
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.

What is your warranty and return policy?
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.