• Fast shipping

  • Free help & advice

  • Hassle-free returns

  • Factory direct prices

Welcome Aboard!

FLASHSALE26

Carburetor Assembly – Sea Sierra Marine Yamaha 75-85 HP (Replaces Yamaha 688-14301-08, 688-14301-40-00, 688-14301-41-00, 688-14301-42-00)

Regular price $308.00

Worry-free returns

Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.


If the return is due to our error or a defective item, we’ll make it right.


Please contact us before returning any item.

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.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This is a complete Carburetor Assembly for Yamaha 75/85 HP 2-Stroke outboards manufactured between 1995–2008. It is designed as a direct-fit replacement for the original OEM carburetor, engineered to restore fuel delivery and engine performance. It may also fit select Yamaha C-series and other 25-40 HP models, but verification against your original part number is critical.

This assembly directly replaces Yamaha OEM part numbers 688-14301-08, 688-14301-40-00, 688-14301-41-00, and 688-14301-42-00, ensuring a precise match for a straightforward installation.

  • Installs as a direct OEM replacement with no modifications needed.
  • Constructed from a durable zinc and aluminum alloy for corrosion resistance in marine environments.
  • Manufactured in an ISO 9002 certified facility to meet or exceed OEM specifications.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.

Brand Part Number Notes
Yamaha 688-14301-08 Original Part
Yamaha 688-14301-40-00 Superseded Part
Yamaha 688-14301-41-00 Superseded Part
Yamaha 688-14301-42-00 Superseded Part

Engine & Model Compatibility

Confirm your engine model and year in the table below. While this part is listed as compatible with a wide range of models, always verify specifications against your existing part before ordering.

Yamaha Models: Primarily fits 75 HP and 85 HP 2-stroke outboards. Compatibility with C-Series and F-Series models is based on aftermarket data and should be confirmed by part number.

Other Brands (Selva, Parsun, Hidea, etc.): Fitment for these brands is suggested by aftermarket suppliers. Cross-reference your OEM part number to ensure compatibility, as we cannot guarantee fitment for these models.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Yamaha Outboard 75 2-Stroke 1995–2008 688-14301-08
Yamaha Outboard 85 2-Stroke 1995–2008 688-14301-08
Yamaha C25 Series 25 2-Stroke 1995–2008 688-14301-08 Per JLM Marine
Yamaha C30 Series 30 2-Stroke 1995–2008 688-14301-08 Per JLM Marine
Yamaha C40 Series 40 2-Stroke 1995–2008 688-14301-08 Per JLM Marine
Yamaha F25 25 4-Stroke 2009–2015 688-14301-08 Per JLM Marine
Yamaha F30 30 4-Stroke 2009–2015 688-14301-08 Per JLM Marine
Yamaha F40 40 4-Stroke 2009–2015 688-14301-08 Per JLM Marine
Selva Marine S25 25 2-Stroke 2000–2010 Per JLM Marine
Selva Marine S40 40 2-Stroke 2000–2010 Per JLM Marine
Parsun PS30 30 2-Stroke 2005–2012 Per JLM Marine
Parsun PS40 40 2-Stroke 2005–2012 Per JLM Marine
Parsun T85 85 2-Stroke Per Oversee product listing
Hidea 85 2-Stroke Per Oversee product listing
Seapro 85 2-Stroke Per Oversee product listing
HDX 85 2-Stroke Per Oversee product listing

Technical Specs

Product Type
Carburetor Assembly
Installation
Direct OEM replacement
Fuel Type
Gasoline
Connection
OEM-specific mounting points
Housing Material
Zinc alloy/Aluminum
Housing Color
Silver/Metal
Weight
0.65 kg (1.43 lbs)
Fitting Type
OEM-specific
Manufacturing
Manufactured to OEM specifications in ISO9002 certified factory

What’s in the Box

  • 1 x Carburetor Assembly (Replaces 688-14301-08, 688-14301-40-00, 688-14301-41-00, 688-14301-42-00)

Installation Notes

  1. Disconnect the battery and shut off the fuel supply to the engine.
  2. Carefully disconnect the fuel lines and any throttle or choke linkages from the old carburetor.
  3. Remove the mounting nuts or bolts holding the old carburetor to the intake manifold.
  4. Clean the manifold mounting surface, ensuring it is free of old gasket material and debris.
  5. Install the new carburetor using a new gasket, ensuring a tight seal.
  6. Reconnect the fuel lines and all linkages, checking for smooth operation.
  7. Turn the fuel supply back on and check for any leaks.
  8. Reconnect the battery, start the engine, and adjust idle and mixture screws as needed for smooth operation.

Troubleshooting & FAQ

How do I know if this carburetor will fit my engine?

The surest way is to match the part number from your old carburetor to the numbers listed here (688-14301-08 and its supersessions). If you can't find a number, compare your carb's design visually to our product images and check your engine model/year in our compatibility table. When in doubt, contact us with your engine details before purchasing.

What is the difference between this and a genuine Yamaha part?

This is an aftermarket part designed to function identically to the OEM version. It's made with comparable materials (zinc/aluminum alloy) in an ISO 9002 certified factory to meet original equipment standards for performance and durability. The primary difference is the price and branding.

Are any adjustments needed after installation?

Yes, minor adjustments to the idle speed and air/fuel mixture screws are typically required after installation. These ensure the engine idles smoothly and runs efficiently across the RPM range. It's best to follow your engine's service manual for the specific procedure.

What are signs my old carburetor is failing?

Common symptoms include difficulty starting, rough idling, stalling at low speeds, engine hesitation or stumbling on acceleration, black smoke from the exhaust (running rich), or visible fuel leaks from the carburetor body.

My engine is a 40 HP model. Will this work?

Some aftermarket sources indicate this carburetor fits certain 25-40 HP models, like the Yamaha C-Series. However, this is not universally confirmed. We strongly advise you to verify the part number on your current carburetor before ordering for a smaller horsepower engine.

What is the difference between the -08, -40, -41, and -42 part numbers?

These numbers represent revisions or supersessions by the original manufacturer. A higher number typically replaces a lower one (e.g., -42 supersedes -41). They are considered functionally interchangeable, though minor internal or external differences may exist. Our aftermarket assembly is designed to replace all of them.

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

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • JCB
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.