Carburetor Rebuild Kit – Fits Mercury Mariner 6HP 8HP 9.9HP 10HP 15HP 20HP 25HP Outboard Engines
This carburetor rebuild kit is designed for Mercury Mariner 2-cycle outboard engines ranging from 6HP to 25HP. It provides a complete solution for overhauling your carburetor and fuel pump diaphragm system, restoring reliable fuel delivery and optimal engine performance across a wide range of models including SeaPro, Marathon, XR10, and Magnum series.
This kit directly replaces Mercury Marine OEM numbers 1395-97611, 1395-9761, and cross-references to Sierra 18-7212, GLM 40610, and Mallory 9-37304, providing broad compatibility with multiple part supersessions.
- Comprehensive carburetor and fuel pump diaphragm repair components included
- Compatible with Mercury Mariner 6HP, 8HP, 9.9HP, 10HP, 15HP, 20HP, and 25HP 2-cycle outboards
- Replaces multiple OEM part numbers for wide application coverage
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Mercury Marine |
1395-97611 |
| Mercury Marine |
1395-811357 |
| Mercury Marine |
1395-9645 |
| Mercury Marine |
1395-9803 |
| Mercury Marine |
1395-9761 |
| Mercury Marine |
1395-9725 |
| Mercury Marine |
1395-9377 |
| Mercury Marine |
1395-9179 |
| GLM |
40610 |
| Mallory |
9-37304 |
| Sierra |
18-7212 |
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 |
Serial Range |
| Mercury Mariner |
Marine Outboard |
6 HP |
2-Cycle |
0A197112 & Up |
| Mercury Mariner |
Marine Outboard |
8 HP |
2-Cycle |
0A197112 & Up |
| Mercury Mariner |
Marine Outboard |
9.9 HP |
2-Cycle |
0A197112 & Up |
| Mercury Mariner |
SeaPro / Marathon / XR10 / Magnum |
10 HP |
2-Cycle |
0D038000 & Up |
| Mercury Mariner |
Marine Outboard |
15 HP |
2-Cycle |
0B292414 & Up |
| Mercury Mariner |
Marine Outboard |
20 HP |
2-Cycle |
6443973 & Up |
| Mercury Mariner |
Marine Outboard |
25 HP |
2-Cycle |
6443973 & Up |
Technical Specifications
| Specification |
Value |
| Product Type |
Carburetor & Fuel Pump Diaphragm Rebuild Kit |
| Application |
Mercury Mariner 6HP, 8HP, 9.9HP, 10HP, 15HP, 20HP, 25HP 2-Cycle Outboards |
| Primary OEM Number |
1395-97611, 18-7212, 1395-9761 |
| Kit Contents |
Carburetor rebuild components and fuel pump diaphragm repair parts |
Package Contents
This carburetor rebuild kit includes the following component:
-
1 × Carburetor Rebuild Kit (includes all necessary gaskets, diaphragms, and repair components for carburetor and fuel pump overhaul)
Installation Guide
-
Disconnect the fuel line from the carburetor and remove the engine cowling to access the carburetor assembly. Ensure the engine is cool and the ignition is off.
-
Remove the carburetor from the engine by disconnecting the throttle linkage and unbolting the mounting hardware. Take photos for reference during reassembly.
-
Disassemble the carburetor carefully, removing the fuel bowl, jets, needle valve, and float assembly. Keep all parts organized.
-
Clean all metal components thoroughly using carburetor cleaner and compressed air. Remove all old gasket material from mating surfaces.
-
Replace old gaskets and diaphragms with new components from the rebuild kit. Ensure proper orientation of all diaphragms per the kit instructions.
-
Inspect jets and passages for blockages or wear; clean or replace as needed. Verify the needle valve and seat are in good condition.
-
Reassemble the carburetor using new gaskets, ensuring all screws are tightened to proper torque specifications. Do not over-tighten delicate components.
-
Replace the fuel pump diaphragm using the components provided in the kit. Ensure the diaphragm is seated correctly without folds or damage.
-
Reinstall the carburetor onto the engine, reconnecting throttle linkage and fuel lines securely. Double-check all connections.
-
Prime the fuel system by squeezing the primer bulb until firm, then check for fuel leaks around all connections and gaskets.
-
Start the engine and allow it to warm up, then adjust idle speed and mixture settings as needed for smooth operation.
-
Test under load to verify proper throttle response and performance across the RPM range. Make final adjustments as necessary.
Troubleshooting & FAQ
Q: How do I confirm this rebuild kit fits my specific Mercury engine?
A: Check the serial number range in the Compatible Engine Models table above. Engines with serial numbers at or above the listed range are compatible. You can also cross-reference your current carburetor part number with the Part Number Cross-Reference table to verify compatibility.
Q: What are the signs that my carburetor needs rebuilding?
A: Common symptoms include rough idling, difficulty starting, poor throttle response, fuel leaking from the carburetor, or the engine running too rich or lean. If your engine exhibits these issues and basic cleaning doesn't help, a rebuild is likely needed.
Q: How often should I rebuild my carburetor?
A: Rebuild intervals depend on usage and fuel quality. For engines used regularly with fresh fuel, rebuild every 3–5 years or as symptoms appear. Engines stored long-term or using ethanol fuel may require more frequent service due to diaphragm deterioration and varnish buildup.
Q: Does this kit include everything I need for a complete carburetor overhaul?
A: Yes, this kit includes all essential gaskets, diaphragms, and repair components for both the carburetor and fuel pump system. However, if metal components like jets or the needle valve are damaged, those may need to be sourced separately.
Q: Can I install this kit myself or do I need a professional?
A: If you have basic mechanical skills and the proper tools, you can install this kit yourself by following the installation guide. However, proper carburetor tuning requires some experience, so professional installation is recommended if you're unsure about disassembly or adjustment procedures.
Q: Is this an OEM or aftermarket rebuild kit?
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.