Honda GX240 Engine Specs

The Honda GX240 engine is a powerful and reliable workhorse that is widely used in various applications, including construction equipment, generators, and agricultural machinery. This article will provide you with detailed specifications of the Honda GX240 engine, including its configuration, engine oil specs, and service intervals.

Engine Configuration

The Honda GX240 engine is a four-stroke, single-cylinder, air-cooled engine. It features a horizontal shaft design, which makes it suitable for a wide range of equipment. The engine has a displacement of 242cc (cubic centimeters) and a bore and stroke of 73mm x 58mm. With a compression ratio of 8.2:1, the GX240 engine delivers excellent power and torque for demanding applications.

Engine Oil Specs

Using the correct engine oil is crucial for maintaining the performance and longevity of the Honda GX240 engine. The engine requires a high-quality, four-stroke motor oil that meets or exceeds the requirements of API (American Petroleum Institute) service classification SJ or later. It is recommended to use a 10W-30 oil for general use, but the oil viscosity may vary depending on the operating conditions and climate.

Service Intervals

Regular maintenance is essential to keep the Honda GX240 engine running smoothly. Here are the recommended service intervals for the GX240 engine:

1. Oil Change: The engine oil should be changed after the first 20 hours of operation and then every 100 hours or every season, whichever comes first. Regular oil changes help remove contaminants and ensure proper lubrication of engine components.

2. Air Filter Cleaning/Replacement: The air filter should be checked and cleaned every 25 hours of operation or more frequently if operating in dusty conditions. If the air filter is damaged or excessively dirty, it should be replaced with a genuine Honda air filter.

3. Spark Plug Replacement: The spark plug should be inspected and replaced every 100 hours or once a year, whichever comes first. A worn-out spark plug can cause poor engine performance and starting issues.

4. Valve Clearance Adjustment: The valve clearance should be checked and adjusted every 300 hours or every three years. Proper valve clearance ensures optimal engine performance and reduces the risk of valve damage.

5. Fuel Filter Replacement: The fuel filter should be replaced every 200 hours or once a year, depending on the operating conditions. A clogged fuel filter can restrict fuel flow and affect engine performance.

6. Cooling System Maintenance: The cooling system should be inspected and cleaned regularly to prevent overheating. Check the radiator fins for any debris or blockage and clean them if necessary.

Remember to always refer to the Honda GX240 engine’s owner’s manual for specific maintenance procedures and intervals as they may vary depending on the equipment and usage.

  • Regular oil changes every 100 hours or every season
  • Air filter cleaning every 25 hours or more frequently in dusty conditions
  • Spark plug replacement every 100 hours or once a year
  • Valve clearance adjustment every 300 hours or every three years
  • Fuel filter replacement every 200 hours or once a year
  • Cooling system maintenance and cleaning
Engine Specifications Value
Engine Type Four-stroke, single-cylinder
Displacement 242cc
Bore x Stroke 73mm x 58mm
Compression Ratio 8.2:1
Oil Recommendation API SJ or later, 10W-30

In conclusion, the Honda GX240 engine is a reliable and robust powerplant that offers impressive performance. By following the recommended service intervals and using the correct engine oil, you can ensure the longevity and optimal operation of your Honda GX240 engine. Remember to consult the owner’s manual for specific maintenance instructions and always use genuine Honda parts for replacements.

Categories: 0-1.0Honda

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