Kohler SV600

Kohler SV600The Kohler SV600 is a 597 cc, (36.4 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the Courage series, manufactured by Kohler Co.

The Kohler SV600 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 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 SV600 engine produced 20.3 PS (14.9 KW; 20.0 HP) at 3,600 rpm of horsepower and 46.1 Nm (4.7 kg·m; 34.0 ft·lb) of torque.

The breakdown of the engine code is as follows:

  • S – Courage series
  • V – Vertical PTO shaft
  • 600 – Numerical designation

General information

Engine Specifications
ModelCourage SV600
Type4-stroke, OHV, single-cylinder
Displacement597 cm 3 (36.4 cu-in)
Max. horsepower20.3 PS (14.9 KW; 20.0 HP) at 3,600 rpm
Max. torque46.1 Nm (4.7 kg·m; 34.0 ft·lb)
Fuel systemCarburetor with a fixed main jet
Cooling systemForced-air
Ignition systemElectronic ignition system
Lubricating systemPressurized lubrication
Starting systemElectric starter
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity

Cylinder Block and Head

Cylinder block
Compression ratio:8.5:1
Bore x Stroke94.0 X 86.0 mm (3.70 x 3.39 in)
Sleeve internal diameter94.010-94.035 mm (3.7012-3.7022 in)
Number of piston rings (compression / oil):2 / 1
Piston pin outer diameter21.995-22.000 mm (0.8659-0.8661 in)
Main journal diameterFlywheel 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:INTAKE37.375-37.625 mm (1.4715-1.4813 in)
EXHAUST32.125-32.375 mm (1.2648-1.2746 in)
Stem outer diameter:INTAKE5.982-6.000 mm (0.2355-0.2362 in)
EXHAUST5.970-5.988 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 plug27 Nm (2.75 kg·m; 20.0 ft·lb)

Service Information

Valve clearance
Intake valve clearance0.127 mm (0.005 in)
Exhaust valve clearance0.178 mm (0.007 in)
Oil system
Oil typeAPI SJ or higher
Recommended oilSAE 10W-30
Oil capacity1.5 L (1.59 US. qt, 1.32 Imp. qt.)
Ignition system
Spark plugChampion RC12YC
Spark plug gap0.76 mm (0.030 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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