The Kohler SV530 is a single-cylinder air-cooled four-stroke internal combustion gasoline engine from the Courage series, manufactured by Kohler Co. The displacement of this engine is a 535 cc, (32.6 cu·in) for models SV530-00XX and SV530-01XX or 597 cc, (36.4 cu·in) for models SV530-02XX and higher.
The Kohler SV530 engine has an OHV (overhead valve) design, aluminum head and crankcase with cast iron cylinder liner, vertical PTO-shaft, and pressurized lubrication system. This engine is equipped with a carburetor with a fixed main jet and an electronic ignition system.
The cylinder bore is 89.0 mm (3.50 in) for SV530-00XX and SV530-01X engines or 94.0 mm (3.70 in) for models SV530-02XX and higher. The piston stroke is 86.0 mm (3.39 in) for all versions. The compression ratio rating is 8.5:1. The SV530 engine produced 17.3 PS (12.7 KW; 17.0 HP) at 3,600 rpm of horsepower and 42.7 Nm (4.36 kg·m; 31.5 ft·lb) of torque.
The breakdown of the engine code is as follows:
- S – Courage series
- V – Vertical PTO shaft
- 530 – Numerical designation
General information
| Engine Specifications | |
| Model | Courage SV530 |
| Type | 4-stroke, OHV, single-cylinder |
| Displacement |
SV530-00XX, SV530-01XX: 535 cm3 (32.6 cu·in) SV530-02XX and higher: 597 cm3 (36.4 cu-in) |
| Max. horsepower | 17.3 PS (12.7 KW; 17.0 HP) at 3,600 rpm |
| Max. torque | 42.7 Nm (4.36 kg·m; 31.5 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 | – |
Cylinder Block and Head
| Cylinder block | ||
| Compression ratio: | 8.5:1 | |
| Bore x Stroke |
SV530-00XX, SV530-01XX: 89.0 X 86.0 mm (3.50 x 3.39 in) SV530-02XX and higher: 94.0 X 86.0 mm (3.70 x 3.39 in) |
|
| Sleeve internal diameter |
SV530-00XX, SV530-01XX: 89.010-89.035 mm (3.504-3.505 in.) SV530-02XX and higher: 94.010-94.035 mm (3.701-3.702 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) |
|
| 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) | |
Tightening torque specs
| 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) |
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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