Kohler K482

Kohler K482The Kohler K482 is a 781 cc, (47.7 cu·in) natural aspirated two-cylinders four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Kohler Co., for general-purpose applications.

It has an 82.6 mm (3.25 in) cylinder bore and 73.0 mm (2.87 in) piston stroke. This engine produced 18.2 PS (13.4 kW; 18.0 HP) at 3,600 rpm.

The Kohler K482 features:

  • L-head (side valve) design
  • Battery ignition system
  • Downdraft or side-draft carburetor
  • Centrifugal governor
  • Pressurized lubrication system by gear type pump
  • Forced air cooling system
  • Electric starter

General information

Engine Specifications
Engine model K482
Engine type 4-stroke, L-head (side valve), two-cylinders
Displacement 781 cm3, (47.66 cu·in)
Max. horsepower 18.2 PS (13.4 kW; 18 HP) at 3,600 rpm
Max. torque
Cooling system Forced air
Air cleaner Paper air cleaner (oiled foam precleaner optional)
Lubricating system Pressurized lubrication
Ignition system Battery ignition system
Fuel system Downdraf or sidedraft carburetor
Fuel consumption
Fuel used Unleaded gasoline (octane number 86 or higher)
Starting system Electric starter
Dimensions (L x W X H)
Dry weight

Cylinder Block and Head

Cylinder block
Compression ratio:
Cylinder bore: 82.6 mm (3.25 in)
Piston stroke: 73.0 mm (2.87 in)
Cylinder internal diameter (standard): 82.5881-82.5754 mm (3.2515-3.251 in)
Piston skirt outer diameter (standard): 82.3773-82.3290 mm (3.2432-3.2413 in)
Number of piston rings (compression / oil): 2/1
Connecting rod small end diameter (standard): 21.8338-21.8415 mm (0.8596-0.8599 in)
Piston pin diameter: 21.8211-21.8262 mm (0.8591-0.8593 in)
Ring end gap (Top): 0.254-0.508 mm (0.01-0.02 in)
Ring end gap (Second): 0.254-0.508 mm (0.01-0.02 in)
Crankshaft main journal diameter: 44.9986-45.0113 mm (1.7716-1.7721 in)
Crankpin journal diameter: 41.2623-41.2750 mm (1.6245-1.625 in)
Crankshaft center distance: 36.5 mm (1.435 in)
Cylinder head
Valve arrangement: L-head (side valve)
Valves: 2,(4 valves in total)
Valve steam diameter (INTAKE): 7.8867-7.8994 mm (0.3105-0.311 in)
Valve steam diameter (EXHAUST): 7.8334-7.8511 mm (0.3084-0.3091 in)

Service Data

Engine
Maximum speed: 3,600 rpm
Valve clearance
Intake valve clearance: 0.20-0.25 mm (0.008-0.0098 in)
Exhaust valve clearance: 0.43-0.48 mm (0.0170-0.0190 in)
Oil system
Lubrication system: Pressurized lubrication
Oil type: SF or SG
Recommended oil: Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity: Without oil filter: 2.8 L (2.96 US. qt, 2.46 Imp. qt.)
With oil filter: 3.3 L (3.5 US. qt, 2.9 Imp. qt.)
Fuel system
Type: Downdraft or sidedraft carburetor
Ignition system
Type: Battery ignition system
Spark plug: Champion RH10
Spark plug gap: 0.65 mm (0.0256 in)
Spark plug torque: 27 N·m (2.8 kg·m, 19.9 ft·lb)