Carburetor Assembly – Fits Yamaha 9.9-15HP 2-Stroke (Replaces 684-14301, 6E8-14301, 6E7-14301)
Carburetor Assembly – Fits Yamaha 9.9-15HP 2-Stroke (Replaces 684-14301, 6E8-14301, 6E7-14301) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
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Carburetor Assembly – Fits Yamaha 9.9-15HP 2-Stroke (Replaces 684-1...
Carburetor Assembly – Fits Yamaha 9.9-15HP 2-Stroke (Replaces 684-14301, 6E8-14301, 6E7-14301) is backordered and will ship as soon as it is back in stock.
Product Details
This Carburetor Assembly – Fits Yamaha 9.9HP & 15HP 2-Stroke Outboards (Replaces 684-14301, 6E8-14301, 6E7-14301) is a direct-fit replacement for two-stroke Yamaha outboard motors in the 9.9 HP and 15 HP range, manufactured approximately from 1986 through 1993.
It provides a single, reliable solution that directly interchanges with dozens of OEM part numbers from the Yamaha 6E8, 6E7, and 684 series, ensuring broad compatibility for a specific range of vintage engines.
- Engineered for direct, hassle-free installation.
- Designed for marine use with gasoline fuel systems.
- Package includes one complete carburetor assembly.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 6E8-14301-00 |
| Yamaha | 6E8-14301-01 |
| Yamaha | 6E8-14301-02 |
| Yamaha | 6E8-14301-03 |
| Yamaha | 6E8-14301-04 |
| Yamaha | 6E8-14301-05 |
| Yamaha | 6E7-14301-00 |
| Yamaha | 6E7-14301-01 |
| Yamaha | 6E7-14301-02 |
| Yamaha | 6E7-14301-03 |
| Yamaha | 6E7-14301-04 |
| Yamaha | 6E7-14301-70 |
| Yamaha | 6E7-14301-72 |
| Yamaha | 6E7-14301-73 |
| Yamaha | 6E7-14301-74 |
| Yamaha | 684-14301-03 |
| Yamaha | 684-14301-04 |
| Yamaha | 684-14301-40 |
| Yamaha | 684-14301-41 |
| Yamaha | 684-14301-42 |
| Yamaha | 684-14301-43 |
| Yamaha | 684-14301-44 |
| Yamaha | 684-14301-52 |
| Yamaha | 684-14301-53 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
This carburetor fits a wide range of Yamaha 9.9 HP and 15 HP 2-stroke outboard models produced between 1986 and 1993.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 15EL series | 15 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 15ES series | 15 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 15L series | 15 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 15ML series | 15 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 15MS series | 15 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 15S series | 15 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 9.9EL series | 9.9 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 9.9ES series | 9.9 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 9.9L series | 9.9 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 9.9MS series | 9.9 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 9.9S series | 9.9 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 15C | 15 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 15D | 15 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 9.9C | 9.9 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series | |
| Yamaha | 9.9D | 9.9 | 2-Stroke | 1986–1993 | 684/6E8/6E7-14301 series |
Technical Specs
- Product Type
- Carburetor Assembly
- Installation
- Direct replacement
- Fuel Type
- Gasoline
- Engine Position
- Outboard
- Housing Material
- Zinc alloy [Most Likely]
- Housing Color
- Silver/metallic
- Warranty
- Varies by seller (typically 6-12 months)
- Other Technical Attributes
- Designed for 2-stroke engines
What’s in the Box
- 1 x Carburetor Assembly (6E8-14301/6E7-14301/684-14301)
Installation Notes
- Shut off the fuel supply and disconnect the fuel line from the carburetor.
- Disconnect the throttle linkage and any other connections.
- Remove the mounting nuts or bolts securing the old carburetor and carefully detach it from the engine.
- Clean the intake manifold mounting surface and install a new gasket if required.
- Mount the new carburetor assembly, ensuring it is seated correctly.
- Tighten the mounting nuts or bolts to the manufacturer's recommended torque.
- Reconnect the throttle linkage and fuel line.
- Turn the fuel supply back on and check for any leaks.
- Start the engine and allow it to warm up.
- Adjust idle speed and mixture screws as necessary for smooth operation.
Troubleshooting & FAQ
How do I confirm this carburetor fits my Yamaha outboard?
First, check that your motor is a 9.9 HP or 15 HP 2-stroke model manufactured between 1986–1993. Second, compare the OEM part number stamped on your old carburetor to the list in our Part Number Matrix. If it's a match, this part should fit.
What is the difference between the 6E8, 6E7, and 684 part numbers?
These are different Yamaha OEM part number series that were used for the same range of carburetors over the years, often with minor, non-critical updates. This aftermarket unit is designed to be functionally equivalent and replace all listed part numbers.
Does this carburetor need to be tuned after installation?
Our carburetors are pre-set to factory specifications and should work out-of-the-box for most engines. However, minor adjustments to the idle speed or air/fuel mixture screw may be required to achieve optimal performance due to engine wear, altitude, or fuel variations.
What are the signs of a bad carburetor?
Common symptoms include difficulty starting the engine (especially when cold), rough or unstable idling, stalling at low speeds, poor acceleration, black smoke from the exhaust, and visible fuel leaks from the carburetor body.
Is this an OEM Yamaha part?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
What are the shipping speed and cost?
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
What is the warranty and return policy?
This part is covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window if the part is unused and in its original condition. See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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