Carburetor Rebuild Kit – Fits Johnson/Evinrude 18-75 HP 2-Stroke Outboards (Replaces 396701, 398729, 392061)

Product Details

This Carburetor Rebuild Kit – Fits Johnson/Evinrude 18-75 HP 2-Stroke Outboards (Replaces 396701, 398729, 392061) is designed to restore the performance of your marine engine. It provides comprehensive components for servicing carburetors on a wide range of Johnson/Evinrude 2-stroke outboard engines from 18 to 75 HP, covering models from 1969 to 2005 with 2-cylinder and 3-cylinder configurations.

The kit serves as a direct replacement for multiple Johnson/Evinrude and aftermarket part numbers, including 396701, 398729, and 392061, as well as providing cross-reference for Mercury/Mariner, Sierra, Mallory, and GLM equivalents.

• Engineered for direct replacement, simplifying installation.
• Built to withstand both saltwater and freshwater marine environments.
• Includes essential components like gaskets, a float assembly, and valve seat for a complete overhaul.

Part Number Matrix

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

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This kit is designed for a wide range of Johnson/Evinrude 2-stroke outboard engines from 18 HP to 75 HP, manufactured between 1969 and 2005.

Compatibility with Mercury/Mariner models is based on a cross-reference to OEM part number 879054A1. Please verify this is the correct part for your specific engine.

Technical Specs

Product Type

Carburetor Repair/Rebuild Kit

Installation

Direct replacement

Fuel Type

Gasoline

Dimensions

Varies by component

Weight

Approximately 100g (3.5 oz)

Warranty

1-year against manufacturing defects

Other Technical Attributes

Designed for marine use in saltwater and freshwater environments

What’s in the Box

• 1 x Gasket, Bowl
• 1 x Gasket, Cover
• 1 x Washer, Screw Plug
• 1 x Washer, Idle Passage
• 1 x Hinge Pin, Float
• 1 x Float Valve & Seat Assembly
• 1 x Washer
• 1 x Spring Clip
• 1 x Float Assembly
• 1 x Additional Gasket

Installation Notes

1. Disconnect the battery and shut off the fuel supply before starting.
2. Carefully remove the carburetor from the engine, taking photos to document hose and linkage connections.
3. Disassemble the carburetor on a clean workbench, organizing all parts.
4. Thoroughly clean all metal components with carburetor cleaner and inspect for wear or damage.
5. Replace old gaskets, seals, the float valve, and other included components with the new parts from the kit.
6. Reassemble the carburetor, referring to your photos and a service manual if available.
7. Reinstall the carburetor on the engine, reconnecting all linkages and fuel lines.
8. Adjust the idle speed and mixture screws as per your engine's specifications after starting.
9. Check for any fuel leaks before and after starting the engine.

Troubleshooting & FAQ

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.