The 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) |
Applications
Manufacturer or Brand | Models |
Lawn tractors | |
Bolens | 1886 |
Wheel Horse | D-180 |
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