Winnipeg Honda Engines
Stephenson Equipment Projects

GX 100 (Horizontal Crankshaft)

Quality and performance come standard.
Professionals rely on the GX100 to deliver reliable and easy starting, along with fuel-efficient performance, day in and day out.

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Common Applications

  • Commercial lawn and garden equipment
  • Tillers/cultivators
  • Generators
  • Construction/industrial equipment
  • Agricultural equipment
  • Water pumps


Fuel Efficient, High-Output Operation

  • Precision camshaft design offers precise valve timing and optimal valve overlap for better fuel efficiency
  • OHV design for increased efficiency and optimal power transfer
  • High compression ratio for better fuel efficiency

Smooth Performance

  • Precision-engineered components result in lower vibration
  • Ball bearing supported crankshaft for greater stability

Exceptionally Quiet

  • Large capacity, multi-chamber exhaust system
  • Reduced mechanical noise due to light weight, noise-reducing materials
  • Forged steel crankshaft and rigid crankcase
  • Sophisticated air intake system

Proven reliability

  • Oil Alert
  • Cast iron cylinder sleeve
  • High-quality materials, fit, and finish
  • Fuel Valve

Easy to use and maintain

  • Large fuel tanks
  • Large automotive type fuel cap
  • Easily accessible spark plug

Easy starting

  • Heavy-duty recoil starter
  • Automatic mechanical de-compression system

Emissions compliant

  • CARB and EPA certified
  • No catalyst necessary

Available options

  • Spark arrester available


Engine Type Air-cooled 4-stroke OHC
Bore x Stroke 56 mm x 40 mm
Displacement 98 cm3
Net Power Output* 2.8 HP (2.1 kW) @ 3,600 rpm
Net Torque 4.2 lb-ft (5.7 Nm) @ 3,600 rpm
PTO Shaft Rotation Counterclockwise (from PTO shaft side)
Compression Ratio 8.5:1
Fuel Tank Capacity 0.77 litres (.81 U.S. qts)
Carburetor Float type
Ignition System Transistorized magneto
Starting System Recoil
Lubrication System Splash
Governor System Centrifugal mechanical
Air Cleaner Dual element
Oil Capacity 0.40 litres (0.42 U.S. qts)
Fuel Unleaded 86 octane or higher
Dry Weight 10.6 kg (23.4 lbs)



Length (min): 295 mm (11.6″)
Width (min): 304 mm (12.0″)
Height (min): 402 mm (15.8″)

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GX Series
GX 100 (Horizontal Crankshaft)
GX 120 (Horizontal Crankshaft)
GX 160 (Horizontal Crankshaft)
GX 200 (Horizontal Crankshaft)
GX 270 (Horizontal Crankshaft)
GX 340 (Vertical Crankshaft)
GX 390 (Vertical Crankshaft)
iGX 700 V-Twin
iGX 800 V-Twin

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