2023 Honda Engines Mini-4 Series GX25
- Year 2023
- Make Honda Engines
- Model Mini-4 Series
2023 Honda Engines Mini-4 Series GX25
Make light work of hard tasks.Honda applied our superior engine technology to create the world’s first 360° inclinable 4-Stroke engines. The ultra-lightweight GX Mini 4-Strokes effectively deliver the kind of efficient, cleaner, powerful and quiet performance that you’d expect from a larger engine – but in a very compact package.
- Commercial lawn and garden equipment
- Tillers / cultivators
- Construction / industrial equipment
- Agricultural equipment
- Water pumps
Features may include:
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
- 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
- Precision engineered components result in lower vibration
- Lighter piston minimizes vibration
- Ball bearing supported crankshaft for greater stability
- Roller bearing supported connecting rod
- Belt-driven OHC design reduces mechanical noise
- Large capacity, multi-chamber exhaust system
- Sophisticated air intake system
- High quality materials, fit, and finish
- Lifetime timing belt design
- Integrated fuel system protection
- Diaphragm carburetor
- Easily accessible spark plug
- Easy to drain and re-fill oil
- No mixing of gas and oil
- Exhaust decompression system
- Unique low inertia design
- No catalyst necessary
- Special designs for horizontal and vertical applications available
- Several different model types available for both horizontal and vertical applications. Refer to Find a Distributor under OEM Support at the bottom of the page for application assistance.
Engine
							Engine Type
							Air-cooled 4-stroke OHC
						
						
							Bore
							35 mm
						
						
							Stroke
							26 mm
						
						
							Displacement
							25 cm3
						
						
							Engine Power
							Net Output: 1.0 HP (.72 kW) @ 7,000 rpm
						
						
							Engine Torque
							Net:0.74 lb-ft (1.0 Nm) @ 5,000 rpm
						
						
							Compression Ratio
							8.0:1
						
						
							Carburetion
							Diaphragm-type (overflow return)
						
						
							Ignition
							System: Transistorized magneto
						
						
							Starter
							System: Recoil
						
						
							Lubrication
							System: Crankcase pressure–driven
						
						
							Air Cleaner
							Semi-dry
						
						
							Fuel Type
							Unleaded 86 octane or higher
						
						PTO
							PTO Type
							Counterclockwise (from PTO shaft side)
						
						Dimensions
							Length
							min: 7.6" (192mm)
						
						
							Width
							min: 8.7" (221mm)
						
						
							Height
							min: 9.1" (230mm)
						
						Capacities
							Oil capacity
							2.7 US oz (80cc)
						
						
							Fuel Capacity
							Tank: 0.61 U.S. qt (0.58 liter)
						
						Weights
							Dry Weight
							6.8 lb (2.7 kg)
						
					 
			