Honda GX390 RT2

Honda GX390 is a popular industrial-grade engine that is commonly used in a variety of applications, including power equipment, construction machinery, generators, and more. The “RT2,” “T2,” and “UT2” designations might refer to different versions or configurations of the Honda GX390 engine. Here is a general overview of the Honda GX390 engine:

Honda GX390 Engine Overview:

1. Engine Type:
The Honda GX390 is a 4-stroke, single-cylinder, air-cooled gasoline engine. It is known for its durability, reliability, and performance, making it a popular choice for various industrial and commercial applications.

2. Displacement:
The displacement of the GX390 engine is approximately 389 cubic centimeters (cc), contributing to its power output and torque characteristics.

3. Power Output:
The power output of the GX390 engine can vary based on different configurations and versions. Generally, it is capable of producing around 11 to 13 horsepower (HP) depending on the specific model.

4. Features:
Honda GX series engines are known for their advanced engineering and features, including overhead valve (OHV) technology for efficient combustion, a durable cast iron cylinder sleeve, and a reliable transistorized ignition system.

5. Fuel Efficiency:
Honda GX engines are designed for fuel efficiency, helping to minimize operating costs and reduce emissions.

6. Applications:
The GX390 engine is commonly used in a wide range of applications, including power equipment like pressure washers, water pumps, generators, construction machinery, and other industrial equipment.

7. Reliability:
One of the key attributes of the GX390 engine is its reputation for reliability and longevity. Honda’s engineering and manufacturing standards contribute to the engine’s ability to withstand tough operating conditions and demanding environments.

8. Maintenance:
Proper maintenance is essential to ensure the longevity and performance of the GX390 engine. Regular oil changes, air filter replacements, and adherence to Honda’s maintenance guidelines are important to keep the engine operating at its best.

9. Safety:
When using machinery powered by the GX390 engine, it’s important to follow safety guidelines to prevent accidents and injuries. This includes proper installation, maintenance, and operation of the equipment.

10. Variants and Configurations:
The “RT2,” “T2,” and “UT2” designations could refer to different configurations or variations of the GX390 engine, such as options with specific features or modifications for various applications. These designations might be related to factors like fuel tank location, throttle control type, and other features.

Repair Manual Made for Honda GX390

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Honda GX390 (PDF)