GX 25
Quality and performance come standard.
Honda applied our superior engine technology to create the world’s first 360° inclinable 4-Stroke engines. The ultra-lightweight GX25 Mini 4-Stroke efficiently delivers the kind of efficient, clean, powerful and quiet performance that you’d expect from a larger engine, but in a very compact package.
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Common Applications
- Commercial lawn and garden equipment
- Tillers/cultivators
- Construction/industrial equipment
- Agricultural equipment
- Water pumps
Features
Advanced Technology
- 4-stroke – no fuel/oil mixing
- Full 360° “any-side-up” operation – use and store in any position
- Exclusive rotary-slinger lubrication system
- The world’s lightest OHC engine
Fuel Efficient, High-Output Operation
- Approximately half the operating cost of comparable 2-stroke engines
- Efficient port configuration and large diameter valves maximize power output
- Lighter, more rigid valve train
- Carburetor equipped with accelerator pump for fast, easy acceleration
Smooth Performance
- Precision-engineered components result in lower vibration
- Lighter piston minimizes vibration
- Ball bearing supported crankshaft for greater stability
- Roller bearing supported connecting rod
Exceptionally Quiet
- Belt-driven OHC design reduces mechanical noise
- Large capacity, multi-chamber exhaust system
- Sophisticated air intake system
Proven reliability
- High-quality materials, fit, and finish
- Lifetime timing belt design
- Integrated fuel system protection
- Diaphragm carburetor
Easy to use and maintain
- Easily accessible spark plug
- Easy to drain and re-fill oil
- No mixing of gas and oil
Easy starting
- Exhaust decompression system
- Unique low-inertia design
Emissions compliant
- CARB and EPA certified
- No catalyst necessary
Available options
- Special designs for horizontal and vertical applications available
Specifications
| Engine Type | Air-cooled 4-stroke OHC |
| Bore x Stroke | 35 mm x 26 mm |
| Displacement | 25 cm3 |
| Net Power Output* | 1.0 HP (.72 kW) @ 7,000 rpm |
| Net Torque | 0.74 lb-ft (1.0 Nm) @ 5,000 rpm |
| PTO Shaft Rotation | Counterclockwise (from PTO shaft side) |
| Compression Ratio | 8.0:1 |
| Fuel Tank Capacity | 0.58 litres (0.61 U.S. qts) |
| Lamp/Charge coil options | N/A |
| Carburetor | Diaphragm-type (overflow return) |
| Ignition System | Transistorized magneto |
| Starting System | Recoil |
| Lubrication System | Crankcase pressure driven |
| Governor System | N/A |
| Air Cleaner | Semi-dry |
| Oil Capacity | 80cc (2.7 U.S. oz) |
| Fuel | Unleaded 86 octane or higher |
| Dry Weight | 2.7 kg (6.8 lbs) |
Dimensions
Length (min): 192 mm (7.6″)
Width (min): 221 mm (8.7″)
Height (min): 230 mm (9.1″)
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