Honda G200 K1

Honda G200 K1 engineThe Honda G200 K1 is a 0.2 L (197 cc, 12.02 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Honda Motor Company since 1977 for general-purpose applications.

The Honda G200 K1 engine has a single-cylinder, side-valve (L-head) design with two valves, a camshaft driven by a single-row chain, and a heavy-duty recoil starter. This engine used a horizontal type carburetor with a butterfly valve, contact breaker point or transistorized magneto ignition, splash type lubricating system, and forced-air cooling system. The engine could be fitted with dual-element type, semi-dry type, or oil-bath type air cleaners. The G200 K1 is equipped with a 4.3 L (1.14 US. gal. 0.95 Imp. gal.) fuel tank.

The G200 K1 engine produced 5.0 PS (3.7 kW; 5 HP) at 3,600 rpm of maximum horsepower and 10.4 N·m (1.1 kg·m, 7.7 ft·lb) at 2,500 rpm of peak torque for the CDI version or 5.5 PS (4.0 kW; 5.5 HP) at 3,600 rpm of peak power and 10.8 N·m (1.1 kg·m, 8 ft·lb) at 2,500 rpm of maximum torque for the engine with transistorized magneto ignition.

General information

Engine Specifications
Engine model G200 K1
Engine type 4-stroke, DOCH, single-cylinder
Displacement 197 cm3, (12.02 cu·in)
Max. horsepower CDI: 5.0 PS (3.7 kW; 5.0 HP) at 3,600 rpm
Magneto ignition: 5.5 PS (4.0 kW; 5.5 HP) at 3,600 rpm
Max. torque Crankshaft PTO:
CDI: 10.4 N·m (1.1 kg·m, 7.7 ft·lb) at 2,500 rpm
Magneto ignition: 10.8 N·m (1.1 kg·m, 8 ft·lb) at 2,500 rpm
Camshaft PTO:
CDI: 20.8 N·m (2.12 kg·m, 15.34 ft·lb) at 1,250 rpm
Magneto ignition: 21.6 N·m (2.20 kg·m, 15.90 ft·lb) at 1,250 rpm
Cooling system Forced air
Air cleaner Dual element type, semi-dry type, oil-bath type
Lubricating system Splash type
Ignition system Contact breaker point or transistorized magneto ignition
Fuel system Horizontal type carburetor with butterfly valve
Fuel consumption 395 g/kWh
Fuel tank capacity 4.3 L (1.14 US. gal. 0.95 Imp. gal.)
Fuel used Unleaded gasoline (octane number 86 or higher)
Starting system Recoil starter
Stoping system Ignition primary circuit ground
Governor Centrifugal govervor
PTO shaft rotation Counterclockwise (from PTO shaft side)

Cylinder Block and Head

It has a 67.0 mm (2.64 in) cylinder bore and 56.0 mm (2.2 in) piston stroke. The compression ratio rating is 6.5:1. The crankshaft is mounted on two ball bearings for reduced friction. The piston is fitted with two compression rings and a single oil ring.

Cylinder block
Compression ratio: 6.5:1
Cylinder bore: 67.0 mm (2.64 in)
Piston stroke: 56.0 mm (2.2 in)
Cylinder internal diameter (standard): 67.000 mm (2.6378 in)
Piston skirt outer diameter (standard): 67.000 mm (2.6378 in)
Number of piston rings (compression / oil): 2/1
Connecting rod big end diameter (standard): 26.000 mm (1.0236 in)
Connecting rod small end diameter (standard): 15.000 mm (0.5906 in)
Piston pin diameter: 15.000 mm (0.5906 in)
Side clearance (Top): 0.01-0.05 mm (0.0004-0.002 in)
Side clearance (Second): 0.01-0.05 mm (0.0004-0.002 in)
Side clearance (Oil): 0.01-0.05 mm (0.0004-0.002 in)
Ring end gap (Top): 0.20-0.40 mm (0.0079-0.0157 in)
Ring end gap (Second): 0.20-0.40 mm (0.0079-0.0157 in)
Ring end gap (Oil): 0.20-0.40 mm (0.0079-0.0157 in)
Ring width (Top): 2.0 mm (0.0787 in)
Ring width (Second): 2.0 mm (0.0787 in)
Ring width (Oil): 3.0 mm (0.1181 in)
Crankpin journal diameter: 26.000 mm (1.0236 in)
Crankshaft center distance: 28 mm (1.1 in)
Cylinder head
Valve arrangement: DOCH, belt driven
Valves:: 2
Valve steam diameter (INTAKE): 7.0 mm (0.2756 in)
Valve steam diameter (EXHAUST): 7.0 mm (0.2756 in)
Valve spring free length (INTAKE): 36.7 mm (1.4449 in)
Valve spring free length (EXHAUST): 36.7 mm (1.4449 in)
Camshaft lobe height (INTAKE): 33.5 mm (1.3189 in)
Camshaft lobe height (EXHAUST): 33.8 mm (1.3307 in)
Camshaft journal diameter : 17.8 mm (0.7008 in)

Tightening torque

Tightening torque settings
Connecting rod bolt 12 Nm; 1.2 kg·m; 8.6 ft·lb
Cylinder head bolt 25 Nm; 2.5 kg·m; 18 ft·lb
Flywheel nut 75 Nm; 7.5 kg·m; 54 ft·lb
Oil drain bolt 20 Nm; 2.0 kg·m; 14.5 ft·lb

Service Data

The Honda 4-stroke engine oil, API service classification SE class, or equivalent is recommended for the G200 K1. SAE 10W-30 is recommended for general use, refilling oil capacity is 0.7 L (0.74 US. qt, 0.62 Imp. qt.). The recommended spark plug is NGK: B-4H, BR-4HS with 0.6-0.7 mm (0.0236-0.0236 in) spark plug gap.

The valve clearance is 0.08-0.16 mm (0.0031-0.0063 in) for intake valves and 0.16-0.24 mm (0.0063-0.0094 in) for exhaust valves. Standard cylinder compression is 6.0 kg/cm2 (85 psi) at 600 rpm.

Engine
Maximum speed: 3,850±150 rpm
Idle speed: 1,400±100 rpm rpm
Cylinder compression: 6.0 kg/cm2 (85 psi) at 600 rpm
Valve clearance
Intake valve clearance: 0.08-0.16 mm (0.0031-0.0063 in)
Exhaust valve clearance: 0.16-0.24 mm (0.0063-0.0094 in)
Oil system
Lubrication system: Splash type
Oil type: SAE 10W-30 or 10W-40
Recommended oil: Honda 4-stroke or an equivalent (SE or SF)
Oil capacity: 0.7 L (0.74 US. qt, 0.62 Imp. qt.)
Fuel system
Type: Horizontal type carburetor with butterfly valve
Main jet: #75
Float height: 8.2 mm (0.3228 in)
Pilot screw opening: 2 turns out
Ignition system
Type: Contact breaker point or transistorized magneto ignition
Ignition timing: B.T.D.C. 20° (Fixed) (Contact breaker point ignition)
B.T.D.C. 24° (Transistorized magneto)
Spark plug: NGK: B-4H, BR-4HS
Spark plug gap: 0.6-0.7 mm (0.0236-0.0276 in)
Spark plug torque: 20 N·m (2 kg·m, 14.7 ft·lb)
Ignition coil air gap 0.2-0.4 mm (0.0079-0.0079 in)

Applications

Manufacturer or Brand Models
Generators
Honda E1500, EG1500

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