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Honda GX100 Engine


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This item: Honda GX100 Engine

PLEASE NOTE – Honda Power Equipment are experiencing stock shortages throughout Australia and unprecedented demand. Please call us on (08) 9248 2242 OR email us at [email protected] to confirm stock prior to purchasing if urgent.

We appreciate your understanding.


The GX100 engine is frequently used by customers in commercial lawn and garden equipment.

It’s also used to power Construction/Industrial Equipment, as well as in Agricultural settings – including the powering of Water Pumps.

Key Features

  • Type: 4-stroke, overhead valve, single-cylinder, horizontal shaft
  • Bore & Stroke: 56 x 40mm
  • Displacement: 98 cm3
  • Compression Ratio: 8.5:1
  • Net Power: 2.1kW (2.8HP) at 3000rpm
  • Maximum Net Torque: 5.7Nm at 2500rpm
  • Ignition System: Transistorised magneto ignition
  • Starting System: Recoil Starter
  • PTO Shaft Rotation: Counter-clockwise (from PTO side)
  • Recommended Fuel: Unleaded
  • Fuel Consumption at Rated Power: 0.88L/h at 3600rpm
  • Recommended Oil: 10W/30 API SG
  • Oil Capacity: 0.4L
  • Fuel Capacity: 295 x 304 x 402mm


  • Dimensions: 295 x 304 x 402mm
  • Dry Weight: 10.63kg