Carburetor Assembly – Fits Yamaha 9.9HP & 15HP 2-Stroke Outboards (Replaces 684-14301, 6E8-14301, 6E7-14301)

Carburetor Assembly – Fits Yamaha 9.9HP & 15HP 2-Stroke Outboards

This carburetor assembly is designed for Yamaha 2-stroke outboard motors in the 9.9–15 HP range, specifically for models manufactured between approximately 1986–1993. It serves as a direct replacement for original equipment, ensuring proper fit and function.

It directly replaces multiple OEM carburetor part numbers, including those in the 6E8, 6E7, and 684 series, making it a versatile solution for restoring fuel system performance.

• Installation Type: Direct replacement
• Compatible Fuel: Gasoline
• Engine Type: Designed for 2-stroke outboards

Part Number Cross-Reference

Use this table to confirm that this aftermarket part corresponds to your required OEM part number.

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

This package includes:

• 1 x Carburetor Assembly (Replaces 6E8-14301 / 6E7-14301 / 684-14301)

Installation Guide

1. Safety First: Disconnect the battery and ensure the engine is cool.
2. Shut Off Fuel: Turn off the fuel valve and safely disconnect the fuel line from the carburetor.
3. Disconnect Linkages: Carefully note and disconnect the throttle and choke linkages. Taking a photo beforehand can be helpful.
4. Remove Old Carburetor: Loosen and remove the nuts or bolts securing the carburetor to the intake manifold.
5. Clean Surface: Remove the old gasket and clean any residue from the manifold’s mounting surface.
6. Install New Carburetor: Place the new gasket and carburetor onto the manifold studs/bolts.
7. Secure in Place: Tighten the mounting nuts or bolts evenly in a crisscross pattern. Do not overtighten.
8. Reconnect: Reattach the throttle and choke linkages, followed by the fuel line.
9. Final Checks: Turn the fuel supply back on and check for any leaks.
10. Test: Reconnect the battery, start the engine, and let it warm up. Check for smooth idling and adjust if necessary.

Troubleshooting & FAQ

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

A: First, check your engine's model, horsepower, and year against our "Compatible Engine Models" list. This part is confirmed to fit Yamaha 9.9HP and 15HP 2-stroke outboards from approximately 1986–1993. Second, verify that your original part number matches one of the numbers in our "Part Number Cross-Reference" table.

Q: What are the common signs that my old carburetor is failing?

A: Common signs include an engine that is hard to start, idles roughly, stalls frequently, hesitates on acceleration, or produces black smoke from the exhaust, indicating a rich fuel mixture.

Q: Will I need to adjust this carburetor after installation?

A: While this is a direct-fit replacement pre-set to factory specifications, minor idle speed or air/fuel mixture adjustments may be necessary to achieve peak performance for your specific engine and operating 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.