Carburetor Assembly – Fits Yamaha 9.9/15HP Two-Stroke Outboards (Replaces 63V-14301-00)
Carburetor Assembly – Fits Yamaha 9.9/15HP Two-Stroke Outboards (Replaces 63V-14301-00) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Product Details
This Carburetor Assembly – Fits Yamaha 9.9/15HP Two-Stroke Outboards (Replaces 63V-14301-00) is designed for Yamaha 9.9–15 HP two-stroke outboard engines produced from approximately 2004 through 2006 and later models. It serves as a direct replacement for the OEM carburetor assembly used in these engines.
It provides a direct interchange for Yamaha part numbers 63V-14301-00, 63V-14301-01, 63V-14301-10, and Sierra 18-34603.
- Designed for direct bolt-on installation.
- Manufactured with a durable zinc alloy housing to OEM specifications.
- Engineered for use with standard gasoline fuel systems.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 63V-14301-00 |
| Yamaha | 63V-14301-01 |
| Yamaha | 63V-14301-10 |
| Sierra | 18-34603 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | 15MSHC | 15 | 2-Stroke | 2004 | 63V-14301-00 | |
| Yamaha | 9.9MSHC | 9.9 | 2-Stroke | 2004 | 63V-14301-00 | |
| Yamaha | 15FMHS | 15 | 2-Stroke | 2005 | 63V-14301-00 | |
| Yamaha | 15MSHD | 15 | 2-Stroke | 2005 | 63V-14301-00 | |
| Yamaha | 9.9FMHS | 9.9 | 2-Stroke | 2005 | 63V-14301-00 | |
| Yamaha | 9.9MSHD | 9.9 | 2-Stroke | 2005 | 63V-14301-00 | |
| Yamaha | 15MSH | 15 | 2-Stroke | 2006 and Later | 63V-14301-00 | |
| Yamaha | 9.9MSH | 9.9 | 2-Stroke | 2006 and Later | 63V-14301-00 |
Technical Specs
- Product Type
- Carburetor Assembly
- Installation
- Direct bolt-on replacement
- Fuel Type
- Gasoline
- Connection
- Bolt-on
- Housing Material
- Zinc alloy
- Housing Color
- Silver
- Dimensions
- 15.5 cm (L) x 10.5 cm (W) x 10.0 cm (H)
- Weight
- 530g (1.17 lb)
- Fitting Type
- OEM-style direct fit
- Other Technical Attributes
- Manufactured to OEM specifications
What’s in the Box
- 1 x Carburetor Assembly (63V-14301-00/63V-14301-01/63V-14301-10)
Installation Notes
- Disconnect the battery and shut off the fuel supply.
- Remove the engine cover and airbox assembly.
- Carefully disconnect the fuel lines, throttle linkage, and choke linkage from the old carburetor.
- Remove the mounting bolts or nuts securing the carburetor to the intake manifold.
- Remove the old carburetor and gasket. Clean the mating surface on the manifold thoroughly.
- Install the new gasket and carburetor, ensuring a proper seal.
- Tighten the mounting bolts evenly to the manufacturer's recommended torque.
- Reconnect the fuel lines, throttle linkage, and choke linkage.
- Reinstall the airbox assembly and engine cover.
- Turn on the fuel supply and check for any leaks.
- Reconnect the battery, start the engine, and allow it to warm up.
- Check for smooth idling and throttle response. Make minor idle speed adjustments if necessary.
Troubleshooting & FAQ
How do I know if this carburetor will fit my outboard?
This carburetor is a direct replacement for specific Yamaha 9.9 HP and 15 HP two-stroke models. The best way to confirm fitment is to check your engine's model and year against the compatibility table on this page. Also, verify that your existing part number matches one of the cross-references: 63V-14301-00, 63V-14301-01, or 63V-14301-10.
What are the common signs of a failing carburetor?
Symptoms of a bad carburetor include difficulty starting, rough idling, stalling at low speeds, bogging down on acceleration, black smoke from the exhaust, and increased fuel consumption. These issues often arise from internal blockages, worn components, or improper fuel-to-air mixture.
Does this carburetor require adjustment after installation?
Our carburetors are preset to closely match OEM specifications and should work out-of-the-box for most compatible engines. However, minor adjustments to the idle speed or air/fuel mixture screw may be necessary to achieve optimal performance due to variations in engine condition, altitude, and fuel.
How often should a marine carburetor be replaced?
There is no fixed replacement interval for a carburetor. It should be replaced when it can no longer be cleaned or rebuilt to function correctly. Lifespan depends on fuel quality, usage frequency, and proper maintenance, such as regular cleaning and winterization.
OEM vs. Aftermarket?
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.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
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 (unused & in 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.
Payment & Security
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