HONDA GCV190 Engine Specifications

HONDA GCV190 Engine Specs Features Overview

The Honda GCV190 engine is well suitable for a wide range of home-use applications such as tillers, lawnmowers, and sweepers.

The Honda GCV190 equipped with a small size (187cc) single-cylinder air-cooled 4-stroke internal combustion gasoline engine with a vertical shaft, built by Honda Motor Company for general-purpose applications.

Honda GCV190 engine has a single-cylinder, compact combustion chamber, tough resin overhead cam for quietness, durability and uniblock construction reduce fuel waste.

The Honda GCV190 engine has transistorized magneto ignition, recoil or electric starter and horizontal type carburetor.

HONDA GCV190 Engine Specs Features Overview

HONDA GCV190 Engine Features

  • The OHC design driven by a maintenance-free,
  • Low-noise timing belt, makes the engine more compact and lightweight
  • Exceeds European exhaust emission legislation
  • Low fuel and oil burning
  • High power-to-displacement and weight ratio
  • Easy starting with an automatic decompression system
  • Optional Auto Choke System
  • High-quality materials and purpose-built components assure reliable long term use

HONDA GCV190 Engine Price in India

Rs 9,000/Piece

HONDA GCV190 Engine Specifications

Engine type 4-stroke single cylinder
OHC petrol engine
vertical shaft
Cylinder sleeve type Aluminium cylinder
Bore x Stroke 69 x 50 mm
Displacement 187 cm³
Compression ratio 8.5 : 1
Net power 3.8 kW ( 5.1 HP ) / 3600 rpm
Cont rated power 2.6 kW ( 3.5 HP ) / 3000 rpm
Max. net torque 11.3 Nm ( 1.15 kgfm ) / 2500 rpm
Ignition system Transistorised
Starter Recoil
Aircleaner type Paper
Fuel tank capacity 0.93 Liter
Fuel cons. at cont. rated power 1.3 L/h – 3000 rpm
Engine oil capacity 0.55 Liter
Dimensions (L x W x H) 395 x 331 x 361 mm
Dry weight 12.3 kg

HONDA GCV190 CYLINDER BLOCK AND HEAD

Cylinder block
Compression ratio: 8.5:1
Bore x Stroke 69 mm X 50 mm (2.71 x 1.97 in)
Sleeve internal diameter 69.00 mm (2.7165 in)
Piston skirt outer diameter 68.985 mm (2.7159 in)
Number of piston rings (compression / oil): 2 / 1
Ring side clearance Top 0.035-0.065 mm (0.0013-0.0026 in)
Second 0.015-0.049 mm (0.0006-0.0019 in)
Ring end gap Top 0.20-0.35 mm (0.008-0.014 in)
Second 0.30-0.45 mm (0.012-0.018 in)
Oil 0.15-0.35 mm (0.006-0.014 in)
Ring width Top/second 1.5 mm (0.06 in)
Oil 2.5 mm (0.10 in)
Connecting rod small end ID 13.005 mm (0.512 in)
Connecting rod big end ID 30.02 mm (1.1819 in)
Crankpin outer diameter 29.980 mm (1.1803 in)
Main journal outer diameter PTO side 27.993 mm (1.1021 in)
Flywheel side 25.393 mm (0.9997 in)
Cylinder Head
Warpage (limit) 0.10 mm (0.004 in)
Valve Arrangement: OHV
Valves: 2
Stem outer diameter (standard): INTAKE 5.480 mm (0.216 in)
EXHAUST 5.44 mm (0.214 in)
Guide internal diameter INTAKE / EXHAUST 5.5 mm (0.2165 in)
Spring free length 34.0 mm (1.34 in)

HONDA GCV190 TIGHTENING TORQUE SPECS

Tightening torque specs
Air cleaner case bolt 10 Nm; 1.0 kg·m; 7 ft·lb
Connecting rod bolt 12 Nm; 1.2 kg·m; 8.6 ft·lb
Valve adjusting lock nut 8 Nm; 0.8 kg·m; 5.8 ft·lb
Cylinder head cover bolt 12 Nm; 1.2 kg·m; 8.6 ft·lb
Oil drain plug bolt 24 Nm; 2.4 kg·m; 17 ft·lb
Flywheel nut 52 Nm; 5.3 kg·m; 38 ft·lb
Governor arm nut 10 Nm; 1.0 kg·m; 7 ft·lb
Muffler bolt 12 Nm; 1.2 kg·m; 8.6 ft·lb
Recoil starter nut 8.5 Nm; 0.85 kg·m; 6.1 ft·lb
Fan cover stud bolt 12 Nm; 1.2 kg·m; 8.6 ft·lb
Spark plug 20 Nm; 2.0 kg·m; 14 ft·lb
Others
5 mm bolts, nuts 5.5 Nm; 0.55 kg·m; 4.0 ft·lb
6 mm bolts, nuts 10 Nm; 1.0 kg·m; 7 ft·lb
8 mm bolts, nuts 24 Nm; 2.4 kg·m; 17 ft·lb
10 mm bolts, nuts 37 Nm; 3.7 kg·m; 27 ft·lb
12 mm bolts, nuts 55 Nm; 5.5 kg·m; 39.5 ft·lb

HONDA GCV190 SERVICE INFORMATION

Engine
Maximum speed 3,850 ± 150 rpm
Idle speed 1,400 ± 150 rpm
Cylinder compression 5.0 kg/cm2 (71 psi) at 600 rpm
Valve clearance
Intake valve 0.15 ± 0.04 (0.006 ± 0.002)
Exhaust valve 0.20 ± 0.04 (0.008 ± 0.002)
Oil system
Oil type Honda 4-stroke or an equivalent (SE or SF)
Recommended oil SAE 10W-30
Oil capacity 0.55 l (0.58 US.qt.)
Ignition system
Ignition timing 20° B.T.D.C.
Spark plug NGK: BPR6ES
Spark plug gap 0.7-0.8 mm (0.028-0.031 in)
Spark plug tightening torque 20 Nm; 2.0 kg·m; 14 ft·lb
Primary ignition coil resistance 1.0-1.2 kΩ
Secondary ignition coil resistance 10.6-12.8 kΩ
Ignition coil air gap 0.2-0.6 mm (0.008-0.024 in)
Carburetor
Main jet #68
Float height 9.2 mm (0.36 in)
Pilot screw opening 1-3/4 turns out

HONDA GCV190 Engine Review Video

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