Honda GX25/35

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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.

Common Applications
  • Commercial lawn and garden equipment
  • Tillers / cultivators
  • Construction / industrial equipment
  • Agricultural equipment
  • Water pumps
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Engine Type Air-cooled 4-stroke OHC Air-cooled 4-stroke OHC
Bore x Stroke 35 mm x 26 mm 39 mm x 30 mm
Displacement 25 cm3 35.8 cm3
Net Power Output* 1.0 hp (.72 kW) @ 7,000 rpm 1.3 hp (1.0 kW) @ 7,000 rpm
Net Torque 0.74 lb-ft (1.0 Nm) @ 5,000 rpm 1.2 lb-ft (1.6 Nm) @ 5,500 rpm
PTO Shaft Rotation Counterclockwise (from PTO shaft side) Counterclockwise (from PTO shaft side)
Compression Ratio 8.0:1 8.0:1
Carburetor Diaphragm-type (overflow return) Diaphragm-type (overflow return)
Ignition System Transistorized magneto Transistorized magneto
Starting System Recoil Recoil
Lubrication System Crankcase pressure–driven Crankcase pressure–driven
Governor System NA NA
Air Cleaner Semi-dry Semi-dry
Oil Capacity 2.7 US oz (80cc) 3.4 US oz (100cc)
Fuel Unleaded 86 octane or higher Unleaded 86 octane or higher
Fuel Tank Capacity .61 U.S. qt (0.58 liter) 0.67 U.S. qt (.63 liter)
Dry Weight 6.8 lb (2.7 kg) 7.6 lb (3.3 kg)
WARNING: California Prop 65 Info




Length (min) 7.6" (192mm) 8.0" (204mm)
Width (min) 8.7" (221mm) 9.2" (234mm)
Height (min) 9.1" (230mm) 9.4" (230mm)