Carburetor Assembly – Fits Yamaha 75/85 HP 2-Stroke Outboards (Replaces 688-14301-08)

Carburetor Assembly – Fits Yamaha 75/85 HP 2-Stroke Outboards (Replaces 688-14301-08)

This carburetor assembly is designed for a precise fit on a range of Yamaha 75 HP to 85 HP 2-Stroke outboards (1995–2008 models). It is also listed as compatible with select Yamaha C-Series and F-Series engines from 25–40 HP.

This unit is a direct replacement for Yamaha part numbers 688-14301-08, 688-14301-40-00, 688-14301-41-00, and 688-14301-42-00.

• Installation: Designed as a direct replacement for the original OEM part.
• Fuel Compatibility: For use with gasoline engines.
• Quality Standard: Manufactured in an ISO9002 certified facility to meet OEM specifications.

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 (688-14301-08/688-14301-40-00/688-14301-41-00/688-14301-42-00)

Installation Guide

1. Safety First: Disconnect the battery and ensure the engine is off and cool. Turn off the fuel supply valve.
2. Access the Carburetor: Remove the engine cowling or any covers blocking access to the carburetor.
3. Document Connections: Take a photo or note the routing of all fuel lines, vacuum hoses, and throttle/choke linkages.
4. Disconnect Lines: Carefully disconnect the fuel lines, hoses, and mechanical linkages from the old carburetor.
5. Remove Old Carburetor: Unscrew the mounting bolts holding the carburetor to the intake manifold and remove it.
6. Clean Mounting Surface: Use a gasket scraper and cleaner to remove any old gasket material from the manifold surface.
7. Install New Carburetor: Mount the new carburetor assembly, ensuring the gasket is properly seated. Tighten the mounting bolts evenly.
8. Reconnect Everything: Re-attach all fuel lines, hoses, and linkages according to your earlier notes.
9. Check for Leaks: Turn the fuel supply back on and carefully inspect all connections for any signs of fuel leaks.
10. Test the Engine: Reconnect the battery, start the engine, and let it warm up.
11. Adjust Idle: If necessary, adjust the idle speed and air/fuel mixture screws according to your engine's service manual.
12. Final Check: Reinstall the engine cowling and perform a final operational check on the water.

Troubleshooting & FAQ

How do I confirm this carburetor fits my engine?
Review the "Compatible Engine Models" table to check your specific model, horsepower, and year range. This part is confirmed to fit Yamaha 75-85 HP 2-stroke outboards (1995-2008). Also, verify your current part number matches one of the replacement numbers: 688-14301-08, 688-14301-40-00, 688-14301-41-00, or 688-14301-42-00.

My engine is a Yamaha F40 4-Stroke. Will this fit?
While some data suggests compatibility with certain 25-40 HP models, this is not consistently confirmed across all sources. This carburetor is primarily designed for 75-85 HP 2-Stroke engines. We strongly advise checking your original part number to ensure an exact match before ordering for any engine outside the core 75-85 HP range.

What are the signs my carburetor needs replacement?
Common signs include difficulty starting, rough idling, engine stalling at low speeds, poor acceleration, increased fuel consumption, or black smoke from the exhaust.

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.