Honda G100 K2 is a 98 cc (5.98 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Honda Motor Company for general-purpose applications.
The cylinder bore is 52.0 mm (2.05 in) and the piston stroke is 46.0 mm (1.81 in). The compression ratio rating is 6.5:1.
The Honda G100 K2 engine produced 2.5 PS (1.9 kW; 2.5 HP) at 4,200 rpm of maximum output power and 3.5 N·m (0.4 kg·m, 2.6 ft·lb) of peak torque.
The Honda G100 K2 features:
Side valve (L-head) design Transistorized magneto ignition system Horizontal type carburetor with butterfly valve Centrifugal govervor Splash type lubrication system Forced air cooling system Recoil starter General information Engine Specifications Engine model G100 K2 Engine type 4-stroke, L-head, single-cylinder Displacement 98 cm3 , (5.98 cu·in) Max. horsepower 2.5 PS (1.9 kW; 2.5 HP) at 4,200 rpm Max. torque 3.5 N·m (0.4 kg·m, 2.6 ft·lb) Cooling system Forced air Lubricating system Splash type Ignition system Transistorized magneto Fuel system Horizontal type carburetor with butterfly valve Fuel consumption 320 g/HPh Fuel tank capacity 1.4 L (0.37 US. gal. 0.31 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) Dimensions (L x W X H) – Dry weight –
Cylinder Block and Head Cylinder block Compression ratio: 6.5:1 Cylinder bore: 52.0 mm (2.05 in) Piston stroke: 46.0 mm (1.81 in) Cylinder internal diameter (standard): 52.000 mm (2.0472 in) Number of piston rings (compression / oil): 2/1 Crankshaft center distance: 23 mm (0.905 in) Cylinder head Valve arrangement: L-head, belt driven Valves: 2
Tightening torque specs Tightening torque specs Carburetor 4-6 Nm; 0.4-0.6 kg·m; 2.9-4.3 ft·lb Flywheel 45-55 Nm; 4.5-5.5 kg·m; 32.5-40 ft·lb Governor arm 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb Cylinder head 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb Crankcase cover 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb Connecting rod 4-6 Nm; 0.4-0.6 kg·m; 2.9-4.3 ft·lb Others 5 mm bolts, nuts 4-7 Nm; 0.4-0.7 kg·m; 2.9-5.1 ft·lb 6 mm bolts, nuts 8-12 Nm; 0.8-1.2 kg·m; 5.8-8.7 ft·lb 8 mm bolts, nuts 20-28 Nm; 2.0-2.8 kg·m; 14.5-20.3 ft·lb 10 mm bolts, nuts 35-40 Nm; 3.5-4.0 kg·m; 25-29 ft·lb
Service Data Idle speed: 1,400±150 rpm Cylinder compression: 6.5 kg/cm2 (637 kPa) at 800 rpm Valve clearance Intake valve clearance: 0.08-0.16 mm (0.0031-0.0063 in) Exhaust valve clearance: 0.08-0.16 mm (0.0031-0.0063 in) Oil system Lubrication system: Splash type Oil type: Honda 4-stroke “SJ” Recommended oil: SAE 10W-40 Oil capacity: 0.45 L (0.48 US. qt, 0.4 Imp. qt.) Fuel system Type: Horizontal type carburetor with butterfly valve Ignition system Type: Transistorized magneto Spark plug: NGK: BPMR-4ASpark plug gap: 0.6-0.7 mm (0.0236-0.0276 in)
Applications Manufacturer or Brand Models Generators Honda EG650
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The Honda G100 K2 is a 98 cc (5.98 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Honda Motor Company for general-purpose applications.
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