Carburetor Rebuild Kit – Fits Mercury Force 90-95 HP (Replaces 809735A1)
This carburetor rebuild kit is designed for Mercury Force 90HP (1991-1999) and 95HP (1996-1997) outboards. It also fits Mercury Sport Jet 90HP (1993-1995) and 95XR (1996-1997) models.
This kit serves as a direct replacement for OEM part number Mercury 809735A1 and aftermarket part number Sierra FK10357, ensuring a precise fit and restoration of carburetor function.
- Includes all essential gaskets and the diaphragm required for a complete rebuild.
- Engineered for a direct OEM replacement fit, simplifying installation.
- Compatible with standard gasoline fuel systems.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
Brand |
Part Number |
Mercury |
809735A1 |
Sierra |
FK10357 |
Compatible Engine Models
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.
Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
Force |
Outboard |
75 |
2-Stroke |
1999 |
809735A1 |
|
Force |
Outboard |
90 |
2-Stroke |
1991-1999 |
809735A1 |
|
Mercury |
Sport Jet |
90 |
2-Stroke |
1993-1995 |
809735A1 |
Non-Oil Injection |
Mercury |
Sport Jet 95XR |
95 |
2-Stroke |
1996-1997 |
809735A1 |
|
Technical Specifications
Specification |
Value |
Product Type |
Carburetor Repair/Rebuild Kit |
Installation |
OEM Direct Replacement |
Fuel Type |
Gasoline |
Housing Material |
Various (gaskets, diaphragm materials) |
Weight |
9g (0.02 lb) |
Other Technical Attributes |
Contains all necessary gaskets and diaphragm for rebuild |
Package Contents
1 x Carburetor Rebuild Kit (809735A1) containing:
- 1 x Diaphragm (F438747)
- 1 x Gasket (F438617/27-820490)
- 1 x Gasket (F438760/27-823606)
- 1 x Gasket (F84792)
Installation Guide
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Safety First: Disconnect the battery and ensure the engine is cool. Shut off the fuel supply and safely disconnect the fuel lines.
-
Remove Carburetor: Carefully detach the throttle linkage and remove the mounting nuts or bolts securing the carburetor to the engine.
-
Disassemble: Place the carburetor on a clean workbench. Methodically disassemble it, taking photos or notes to remember the order and placement of all components.
-
Clean Components: Thoroughly clean all metal parts with a quality carburetor cleaner to remove varnish, grime, and fuel deposits. Do not use cleaner on non-metal parts.
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Install New Parts: Carefully replace the old diaphragm, gaskets, and seals with the new components from the kit. Ensure each part is seated correctly.
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Reassemble: Following your notes, reassemble the carburetor. Do not overtighten screws.
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Reinstall: Mount the rebuilt carburetor back onto the engine, reattach linkages and fuel lines, and turn the fuel supply back on.
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Test & Tune: Reconnect the battery. Start the engine and check for leaks. Adjust the idle speed and mixture screws as needed for smooth operation.
Troubleshooting & FAQ
Q: How do I confirm this kit fits my specific engine model?
A: This kit is designed for Mercury Force 75 HP (1999), 90 HP (1991-1999), and 95 HP (1996-1997) outboards, as well as Mercury Sport Jet 90 HP (1993-1995) and 95XR (1996-1997) models. Always check your engine's model, year, and original part number (809735A1) against our compatibility table before ordering.
Q: What are the signs that my carburetor needs a rebuild?
A: Common symptoms include difficulty starting, rough idling, engine stalling at low speeds, poor acceleration, or black smoke from the exhaust. These issues often indicate worn-out internal gaskets or a faulty diaphragm, which this kit is designed to replace.
Q: Does this kit include everything I need for the rebuild?
A: Yes, this kit contains all the necessary gaskets and the diaphragm for a standard carburetor rebuild, as listed in the 'Package Contents' section. You will need your own hand tools and carburetor cleaning solution.
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.