The Kohler K662 is a 1.1 L (1,101 cc, 67.2 cu·in) natural aspirated, two-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Kohler Co., for general-purpose applications.
Cylinder bore and piston stroke are 92.0 mm (3.62 in) and 82.5 mm (3.25 in), respectively. This engine produced 24.3 PS (17.9 kW; 24.0 HP) at 3,600 rpm of horsepower.
The Kohler K662 features:
- L-head (side valve) design
- Magneto ignition system
- Downdraft carburetor
- Pressurized lubrication system by gear type pump
- Forced air cooling system
- Electric starter
General information
| Engine Specifications | |
| Engine model | K662 |
| Engine type | 4-stroke, L-head (side valve), two-cylinders |
| Displacement | 1101 cm3, (67.19 cu·in) |
| Max. horsepower | 24.3 PS (17.9 kW; 24.0 HP) at 3,600 rpm |
| Cooling system | Forced air |
| Air cleaner | Paper air cleaner (oiled foam precleaner, option) |
| Lubricating system | Pressurized by gear pump |
| Ignition system | Magneto ignition system |
| Fuel system | Downdraft carburetor |
| Starting system | Electric starter |
| Dimensions (L x W X H) | – |
| Dry weight | 85.0 kg (187.4 lbs) |
Cylinder Block and Head
| Cylinder block | |
| Cylinder bore: | 92.0 mm (3.62 in) |
| Piston stroke: | 82.5 mm (3.25 in) |
| Cylinder internal diameter (standard): | 92.0877-92.0623 mm (3.6255-3.6245 in) |
| Piston skirt outer diameter (standard): | 92.0496-92.0369 mm (3.624-3.6235 in) |
| Number of piston rings (compression / oil): | 2/1 |
| Connecting rod small end diameter (standard): | 22.2352-22.2402 mm (0.8754-0.8756 in) |
| Piston pin diameter: | 22.2225-22.2275 mm (0.8749-0.8751 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: | 57.1754-57.1881 mm (2.251-2.2515 in) |
| Crankpin journal diameter: | 47.6123-47.6250 mm (1.8745-1.875 in) |
| Crankshaft center distance: | 41.25 mm (1.625 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 (COLD): | 0.20-0.25 mm (0.0079-0.0098 in) |
| Exhaust valve clearance (COLD): | 0.43-0.48 mm (0.0169-0.0189 in) |
| Oil system | |
| Lubrication system: | Pressurized |
| 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: 3.75 L (4.0 US. qt, 3.3 Imp. qt.) |
| Fuel system | |
| Type: | Downdraft carburetor |
| Ignition system | |
| Type: | Magneto ignition system |
| Spark plug: | Champion RCJ-8 |
| Spark plug gap: | 0.65 mm (0.0256 in) |
| Spark plug torque: | 27 N·m (2.8 kg·m, 19.9 ft·lb) |
References
1. Kohler K482, K532, K582, K662 twin cylinder engine service manual. Kohler Co. 1992.
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