Kohler SV601 (20.0 HP) Engine Specs and Review
Kohler SV601 Engine Specs
The Kohler SV601 is a 36.4 cu·in (597 cc) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the Courage series, made by Kohler Co.
The Kohler SV601 engine cylinder bore is 94.0 mm (3.7 in), and the piston stroke is 86.0 mm (3.39 in). The compression ratio rating is 8.5:1.
The SV601 engine delivered 20.3 PS (14.9 KW; 20.0 Horsepower) at 3,600 rpm of horsepower and 46.1 Nm (4.7 kg·m; 34.0 ft·lb) of torque.
The Kohler SV601 engine has an OHV (overhead valve) design, vertical PTO-shaft, aluminum head and crankcase with cast iron cylinder liner, and pressurized lubrication system.
This Kohler SV601 engine has a fixed main jet, a carburettor, and an electronic ignition system.
The breakdown of the Kohler SV601 engine code is as follows:
- S – Courage series
- V – Vertical PTO shaft
- 601 – Numerical designation
Kohler Courage SV601 (20.0 HP) Engine Specs
Engine Specifications
| Model | Courage SV601 |
| Type | 4-stroke, OHV, single-cylinder |
| Displacement | 597 cm 3 (36.4 cu-in) |
| Max. horsepower | 20.3 PS (14.9 KW; 20.0 HP) at 3,600 rpm |
| Max. torque | 46.1 Nm (4.7 kg·m; 34.0 ft·lb) |
| Fuel system | Carburetor with a fixed main jet |
| Cooling system | Forced-air |
| Ignition system | Electronic ignition system |
| Lubricating system | Pressurized lubrication |
| Starting system | Electric starter |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Fuel tank capacity | – |
Tightening torque specs
| Cylinder head bolt | Step 1: 20.5 Nm (2.1 kg·m; 15.1 ft·lb) Step 2: 41.0 Nm (4.2 kg·m; 30.3 ft·lb) |
| Flywheel | M12: 88.0 Nm (9.0 kg·m; 65.0 ft·lb) M10: 66.5 Nm (6.7 kg·m; 48.7 ft·lb) |
| Spark plug | 27 Nm (2.75 kg·m; 20.0 ft·lb) |
Cylinder Head
| Valve Arrangement: | OHV | |
| Valves: | 2 (2 per cylinder) | |
| Valve head diameter: | INTAKE | 37.375-37.625 mm (1.4715-1.4813 in) |
| EXHAUST | 32.125-32.375 mm (1.2648-1.2746 in) | |
| Stem outer diameter: | INTAKE | 5.982-6.000 mm (0.2355-0.2362 in) |
| EXHAUST | 5.970-5.988 mm (0.235-0.2357 in) | |
Cylinder block
| Compression ratio: | 8.5:1 | |
| Bore x Stroke | 94.0 X 86.0 mm (3.70 x 3.39 in) | |
| Sleeve internal diameter | 94.010-94.035 mm (3.7012-3.7022 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
| Piston pin outer diameter | 21.995-22.000 mm (0.8659-0.8661 in) | |
| Main journal diameter | Flywheel End | Before S/N 3703200003: 44.913-44.935 mm (1.7682-1.7691 in) After S/N 3703200013: 44.870-44.895 mm (1.7665-1.7675 in) |
| PTO End | Before S/N 3703200003: 41.913-41.935 mm (1.6501-1.6510 in) After S/N 3703200013: 41.855-41.880 mm (1.6478-1.6488 in) |
|
Service Information
| Valve clearance | |
| Intake valve clearance | 0.127 mm (0.005 in) |
| Exhaust valve clearance | 0.178 mm (0.007 in) |
| Oil system | |
| Oil type | API SJ or higher |
| Recommended oil | SAE 10W-30 |
| Oil capacity | 1.5 L (1.59 US. qt, 1.32 Imp. qt.) |
| Ignition system | |
| Spark plug | Champion RC12YC |
| Spark plug gap | 0.76 mm (0.030 in) |
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Final Words
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