Carburetor Repair Kit – Fits Yamaha 75-90HP, Mercury/Mariner 40HP, Tohatsu/Nissan 25-30HP (Replaces 6H1-W0093-01-00, 346-87122-0)

Carburetor Repair Kit – Fits Yamaha 75-90HP, Mercury/Mariner 40HP, Tohatsu/Nissan 25-30HP

This carburetor repair kit provides the necessary components to rebuild and restore the carburetors on a wide range of outboard motors. It is designed for specific Yamaha, Mercury/Mariner, and Tohatsu/Nissan models, ensuring a precise fit for a complete service.

This kit serves as a direct replacement for Yamaha part numbers 6H1-W0093-00-00, 6H1-W0093-01-00, and 6H1-W0093-02-00; Mercury 84475M and 8M6010311; Tohatsu 346-87122-0; and Sierra 18-7291.

• Comprehensive Kit: Includes all necessary components to service three carburetors.
• Fuel Compatibility: Designed for use with Gasoline.
• Installation Profile: Components are manufactured to fit as OEM Factory Service parts.

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.

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

This kit includes enough components to rebuild three carburetors.

• 3 x Gasket (688-14198-A2-00)
• 3 x O-Ring (93210-04228-00)
• 3 x Needle Valve Assembly (692-14590-01-00)
• 3 x Pin, Float (676-14186-00-00)
• 3 x Float (676-14985-01-00)
• 3 x Pin, Float Arm (688-14548-00-00)
• 3 x Gasket, Float Chamber (676-14984-00-00)
• 3 x Screw, With Washer (97980-04114-00)
• 3 x O-Ring (93210-04230-00)
• 3 x Gasket (663-14126-00-00)
• 3 x Screw, Pilot (692-14923-00-00)

Installation Guide

1. Safety First: Disconnect the battery and ensure the fuel supply is shut off before beginning.
2. Remove Carburetors: Carefully detach the fuel lines and linkages, then remove the carburetor assembly from the engine.
3. Disassemble: Working on one carburetor at a time, disassemble it on a clean surface. Keep track of all parts.
4. Clean Components: Thoroughly clean all non-replaceable metal parts with a quality carburetor cleaner to remove varnish and deposits.
5. Install New Parts: Replace the old gaskets, O-rings, needle valve, and other components with the new ones from the kit.
6. Reassemble: Carefully reassemble the carburetor, ensuring the float is set correctly according to manufacturer specifications.
7. Repeat: Perform the same steps for the remaining two carburetors.
8. Reinstall: Mount the rebuilt carburetors back onto the engine and re-secure all linkages and fuel lines.
9. Test: Reconnect the battery, turn on the fuel, and start the engine. Check for any fuel leaks and adjust the idle as necessary.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my engine?

A: This kit is designed for a range of Yamaha, Mercury/Mariner, and Tohatsu/Nissan models. Please carefully check the detailed compatibility tables above. For Yamaha and Mercury owners, we provide serial number guides linked above to help you verify your exact engine model and year before ordering.

Q: What are the signs that my carburetor needs a rebuild?

A: Common symptoms include difficulty starting, rough or inconsistent idling, engine stalling at low speeds, poor acceleration, increased fuel consumption, or black smoke from the exhaust. A rebuild replaces worn internal components to restore proper fuel and air mixture.

Q: Is this kit for one or multiple carburetors?

A: This is a complete rebuild kit that contains all the necessary parts to service a set of three carburetors, as used on many of the compatible V-format engines.

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.