Honda GX110

Honda GX110 engineThe Honda GX110 is a 0.11 l (107 cc) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine manufactured by Honda Motor Company since 1983 for general-purpose applications.

This engine has an OHV design for increased efficiency and optimal power transfer, sophisticated air intake system, large capacity, multi-chamber exhaust system, heavy-duty recoil starter.

A 57.0 mm (2.24 in) cylinder bore and 42.0 mm (1.65 in) piston stroke give the engine a total of 107 cc of displacement. It produces 2.6 kW (3.5 PS) of horsepower at 4,000 rpm and 6.68 N·m (0.7 kg·m, 5.2 ft·lb) of torque at 2800 rpm with 8.7:1 compression ratio.

General information

Engine Specifications
ModelGX110
Type4-stroke, OHV, single cylinder, inclined by 25°
Displacement107 cm 3 (6.5 cu-in)
Max. horsepower3.5 PS (2.6 kW) at 4,000 rpm
Max. torque (crank PTO)6.68 N·m (0.7 kg·m, 5.2 ft·lb) at 2800 rpm
CarburetorHorizontal type, butterfly valve
Cooling systemForced-air
Ignition systemTransistorized magneto ignition
Lubricating systemSplash
Starting systemRecoil starter
Stoping systemIgnition primary circuit ground
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity2.5 L (0.66 US Gal, 0.55 Imp Gal.)
Fuel consumption230 g/HPh
PTO shaft rotationCounterclockwise (from PTO shaft side)

Dimensions and Weight

GX110 “Q” TYPE-CYCLONE AIR CLEANER
Length, mm (in)320 (12.6)
Width, mm (in)345 (13.6)
Height, mm (in)320 (12.6)
Dry weight, kg (lb)12.0 (25.6)

Cylinder Block and Head

The Honda GX110 has cast iron cylinder sleeve, ball bearing supported crankshaft, improved piston design, heavy-duty balancer shaft.

Cylinder block
Compression ratio:8.7
Bore x Stroke57 mm X 42 mm (2.24 x 1.65 in)
Sleeve internal diameter57.00 mm (2.04 in)
Piston skirt outer diameter56.985 mm (2.2435 in)
Number of piston rings (compression / oil):2 / 1
Cylinder Head
Warpage (limit)0.10 mm (0.004 in)
Valve Arrangement:OHV
Valves:2

Service Information

Engine
Maximum speed4000 ± 150 rpm
Idle speed1400 ± 150 rpm
Cylinder compression6.0-8.5 kg/cm2 (85-151 psi) at 600 rpm
Oil system
Oil typeHonda 4-stroke or an equivalent (SE or SF)
Recommended oilSAE 10W-30
Oil capacity0.6 P (0.63 US. qt, 0.53 Imp. qt.)
Ignition system
Spark plugNGK: BPR6ES
NIPPONDENSO: W20EPR-U
Spark plug gap0.7-0.8 mm (0.028-0.031 in)

Engine applications

  • Pressure washers
  • Commercial lawn and garden equipment
  • Tillers / cultivators
  • Generators
  • Construction / industrial equipment
  • Agricultural equipment
  • Small vehicles
  • Water pumps
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.

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