The Kohler K341 is a 588 cc, (35.9 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Kohler, for general-purpose applications.
Cylinder bore and piston stroke are 95.3 mm (3.75 in) and 82.6 mm (3.25 in), respectively. The Kohler K341 engine produced 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm of maximum output power.
The Kohler K341 features:
- L-head (side valve) design
- Magneto ignition system, battery ignition system, breakerless ignition system ignition system*
- Carburetor (Kohler or Walbro – fixed main jet or adjustable main jet)*
- Centrifugal governor
- Splash type lubrication system
- Forced air cooling system
- Retractable or electric starter
* – depending on the engine version
General information
| Engine Specifications | |
| Engine model | K341 |
| Engine type | 4-stroke, L-head (side valve), single-cylinder |
| Displacement | 588 cm3, (35.88 cu·in) |
| Max. horsepower | 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm |
| Max. torque | – |
| Cooling system | Forced air |
| Air cleaner | Paper air cleaner (oiled foam pre-cleaner was available as an option) |
| Lubricating system | Splash type |
| Ignition system | Magneto ignition system, battery ignition system, breakerless ignition system |
| Fuel system | Carburetor (Kohler or Walbro – fixed main jet or adjustable main jet) |
| Fuel consumption | – |
| Fuel tank capacity | – |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Starting system | Retractable or electric starter |
| Governor | Centrifugal governor |
| Dimensions (L x W X H) | – |
| Dry weight | 55.4 kg (122.1 lbs) |
Cylinder Block and Head
| Cylinder block | |
| Compression ratio: | – |
| Cylinder bore: | 95.3 mm (3.75 in) |
| Piston stroke: | 82.6 mm (3.25 in) |
| Cylinder internal diameter (standard): | 95.2627-95.2373 mm (3.7505-3.7495 in) |
| Piston skirt outer diameter (standard): | 95.0595-95.0214 mm (3.7425-3.741 in) |
| Number of piston rings (compression / oil): | 2/1 |
| Connecting rod small end diameter (standard): | 22.2428-22.2504 mm (0.8757-0.876 in) |
| Piston pin diameter: | 22.2300-22.2352 mm (0.8752-0.8754 in) |
| Ring end gap (Top): | 0.177-0.432 mm (0.007-0.017 in) |
| Ring end gap (Second): | 0.177-0.432 mm (0.007-0.017 in) |
| Crankshaft center distance: | 41.3 mm (1.625 in) |
| Cylinder head | |
| Valve arrangement: | L-head (side valve) |
| Valves: | 2 |
| Valve head diameter (INTAKE): | 34.798-35.052 mm (1.37-1.38 in) |
| Valve head diameter (EXHAUST): | 34.798-35.052 mm (1.37-1.38 in) |
| 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) |
Tightening torque
| Tightening torque specs | |
| Cylinder head bolts | 34-41 Nm (25-30 ft-lbs) |
| Flywheel | 68-81 Nm (50-60 ft-lbs) |
| Spark plug | 25-30 Nm (18-22 ft-lbs) |
| Connecting rod | 32.1 Nm (23.8 ft-lbs) |
| Governor bushing | 11.2-13.6 Nm (8.3-10.1 ft-lbs) |
| Fuel pump mounting screws | 4.2-5.1 Nm (3.1-3.8 ft-lbs) |
Service Data
| Engine | |
| Maximum speed: | 3,600 rpm |
| Valve clearance | |
| Intake valve clearance: | 0.20-0.25 mm (0.0079-0.0098 in) |
| Exhaust valve clearance: | 0.43-0.48 mm (0.0169-0.0189 in) |
| Oil system | |
| Lubrication system: | Splash type |
| Oil type: | SF or SG |
| Recommended oil: |
Summer: SAE 30W Winter: SAE 5W-20, 5W-30 |
| Oil capacity: |
K341: 1.9 L (2.01 US. qt, 1.67 Imp. qt.) K341A: 1.2 L (1.27 US. qt, 1.06 Imp. qt.) |
| Fuel system | |
| Type: | Carburetor (Kohler or Walbro – fixed main jet or adjustable main jet) |
| Ignition system | |
| Type: | Magneto ignition system, battery ignition system, breakerless 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 | |
| Allis Chalmers | 916 |
| Bolens | QS-16 |
| Cub Cadet | 169, 1650 |
| John Deere | 216, 300 |
| Snapper | 1650 |
| Wheel Horse | 416-8, C-160 |
Be the first to comment