PORTABLE POWER FOR DEMANDING JOBS
GX240 Series
Honda GX240 engines are trusted small engines designed for heavy-duty performance, delivering reliable power and long-lasting durability for a wide range of equipment. Built with a commercial-grade 4-stroke OHV design, the Honda GX240 engine offers excellent fuel efficiency, easy starting, and consistent output in demanding environments. Its cast iron cylinder sleeve, high-quality internal components, and advanced cooling system help extend engine life while minimizing downtime and maintenance. Ideal for applications such as sealcoating machines, commercial blowers, cement mixers, sod cutters, pumps, log splitters and many other types of agricultural and construction equipment, GX240 engines provide the dependable performance professionals rely on. With smooth operation, low noise levels, and Honda’s reputation for quality, the GX240 engine is a top choice for those seeking a durable and efficient small engine solution.
Overhead Valve (OHV) Design
The GX240's valves are located above the combustion chamber allowing for enhanced fuel mixture intake, more complete exhaust and a higher compression ratio. The OHV layout of Honda's GX240 engines results in greater power output, reduced cylinder distortion and more efficient oil consumption for longer maintenance intervals.
Heavy Duty Recoil Starter
The GX240's large, easy-to-grip recoil starter handle coupled with with Honda's automatic mechanical decompression system makes for easy starting every time.
Precision Engineered Components
Honda's high-quality parts are less-prone to wear and corrosion for a longer engine life and provide minimal vibration and increased stability during operation.
Air-Cooled
Simple, lightweight engine design that is easy to maintain
4-Stroke
No oil/gas mixing required for cleaner emissions and better fuel efficiency
High Compression Ratio
Increased power output and thermal efficiency without an increase in engine size
GX240 Engine Series Specs
Learn more about the key specifications present on all gas-powered Honda GX240 engine models
Displacement: 242cc | 14.8 cu. in.
Net Horsepower: 7.1 HP @ 3600 RPM
Net Torque: 11.3 ft lbs @ 2500 RPM
Carburetor Type: Butterfly
Bore x Stroke: 2.9" x 2.3" | 73mm x 58mm
Ignition System: Transistor Magneto
Oil Capacity: 0.97 US quart
Fuel Tank Capacity: 1.4 US gal
Lubrication System: Forced Splash
Compression Ratio: 8.2 : 1
Engine Type: Air-Cooled | 4-Stroke | OHV | Single Cylinder
Warranty: 3 Year Commercial & Consumer
Compare GX240 Engine Models
Explore the key technical differences between the Honda GX240 engine models we offer
Engines within the same series may look the same, but certain specifications won't be obvious in a photo! These important specs ultimately determine whether or not an engine is compatible with your unique application and equipment.
Please note: the most accurate way to determine the correct replacement engine is by identifying and providing your current engine's model and spec numbers. Learn where to find your engine's identifying information in our Find Your Engine Model Number guide >
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| Engine | GX240 HA2 | GX240 QA2 | GX240 QAE2 |
| Crankshaft Diameter |
1" | 1" | 1" Threaded |
| Crankshaft Length |
3.37" | 3-31/64" | 3-31/64" |
| Gear Reduction |
6:1 | --- | --- |
| Air Filter |
Dual | Dual | Dual |
| Starting System | Recoil | Recoil | Recoil & Electric |
| Coil | --- | --- | 3 Amp Charge Coil |
Shop GX240 Engines
