When you need a small engine that just gets on with the job, the KingTech GX25 25cc 4-stroke delivers. It fires up clean, pulls hard, and sips fuel, so you spend more time working and less time refilling. The oil-immersed timing belt OHC keeps things quiet and precise, while the 360°-inclinable design means you can run it flat, vertical, or upside down without drama. Low vibration from lighter internals cuts operator fatigue on long shifts. With dependable transistorised ignition and a rugged full-cover construction that won’t snag in scrub, the GX25 is a compact power source built for lawn, garden, farm, and site gear. Reliable. Efficient. Ready to work.
Key Features
- Smooth starting and sharp acceleration for quick, clean work
- Top-class fuel economy and low oil use keeps running costs down
- Oil-immersed timing belt OHC for low mechanical noise
- 360° operation with rotary slinger lubrication — run at any angle
- Low vibration from lighter pistons reduces fatigue in handheld tools
- Full-cover design helps prevent snagging on branches and debris
- Compact 25cc package with strong 1.0 HP @ 7000 rpm output
- Transistorised ignition for consistent spark and reliability
- Recoil starter — simple, field-proven starting every time
- 0.58 L fuel tank supports long stints between fills
- Durable 4-stroke single-cylinder layout — clean, efficient power
- Versatile powerplant for lawn/garden, ag, construction, and pumps
- Lightweight 3.6 kg build for easier handling on the job
- Designed for low noise, low maintenance and everyday abuse
Specifications
| Engine type | 4-stroke single cylinder / OHC petrol |
| Displacement | 25.0 cm³ |
| Bore × Stroke | 35 × 26 mm |
| Compression ratio | 8.0 : 1 |
| Net power | 0.7 kW (1.0 HP) @ 7000 rpm |
| Max. net torque | 1.0 Nm (0.10 kgfm) @ 5000 rpm |
| Ignition system | Transistorised |
| Starter | Recoil |
| Fuel tank capacity | 0.45 L |
| Fuel consumption (net power) | 0.54 L/h @ 7000 rpm |
| Lubrication system | Oil mist / rotary slinger |
| Engine oil capacity | 0.08 L |
| Dry weight | 3.7 kg |
| Operating orientation | 360° inclinable |
| In the box | GX25 engine, Manual |

For returns due to change of mind, a 20% restocking fee will be applied.


















