Honda GX390 Engine Specs
The Honda GX390 engine is a powerful and reliable workhorse that is widely used in various applications, including generators, pressure washers, and construction equipment. This article will provide you with detailed specifications of the Honda GX390 engine, including its configuration, engine oil specs, and service intervals.
Engine Configuration
The Honda GX390 engine is a four-stroke, single-cylinder, air-cooled engine. It has a displacement of 389 cubic centimeters (cc) and a bore and stroke of 88 mm x 64 mm. The engine features an overhead valve (OHV) design, which enhances fuel efficiency and reduces emissions.
The GX390 engine is equipped with a recoil starter for easy and quick starting. It also has a dual element air cleaner to ensure clean air intake and protect the engine from dust and debris. The engine is built with high-quality materials and precision engineering to ensure durability and long-lasting performance.
Engine Oil Specs & Service Intervals
Proper maintenance and regular oil changes are crucial for the optimal performance and longevity of the Honda GX390 engine. Here are the engine oil specifications and recommended service intervals:
- Engine Oil Type: The GX390 engine requires a high-quality, four-stroke engine oil. It is recommended to use SAE 10W-30 oil for general operating conditions. However, for extreme cold weather conditions, SAE 5W-30 oil can be used to ensure easy starting.
- Oil Capacity: The engine has an oil capacity of approximately 1.16 liters (1.22 US quarts). It is important not to overfill or underfill the engine oil to maintain proper lubrication.
- Service Intervals: The recommended service interval for oil changes in the GX390 engine is every 50 hours of operation or every three months, whichever comes first. However, in dusty or dirty operating conditions, more frequent oil changes may be necessary to prevent engine damage.
Detailed Engine Specifications
For a comprehensive overview of the Honda GX390 engine specifications, refer to the following table:
| Engine Model | GX390 |
|---|---|
| Engine Type | Air-cooled, 4-stroke, OHV, single cylinder |
| Displacement | 389 cc |
| Bore x Stroke | 88 mm x 64 mm |
| Compression Ratio | 8.2:1 |
| Net Power Output | 11.7 horsepower (8.7 kW) at 3,600 rpm |
| Net Torque | 19.5 lb-ft (26.4 Nm) at 2,500 rpm |
| Ignition System | Transistorized magneto ignition |
| Starting System | Recoil |
| Fuel Tank Capacity | 6.1 liters (1.61 US gallons) |
| Fuel Consumption | 2.4 liters/hour (0.63 US gallons/hour) at full load |
In conclusion, the Honda GX390 engine is a reliable and high-performance engine that is widely used in various applications. By following the recommended engine oil specifications and service intervals, you can ensure the longevity and optimal performance of your GX390 engine. Whether you are using it for your generator, pressure washer, or construction equipment, the GX390 engine is built to deliver power and reliability.
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