Kohler K330

The Kohler K330 is a 552 cc (33.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from K-series, manufactured by Kohler Co.

The Kohler K330 engine has an aluminum cylinder head, cast-iron liners, and horizontal PTO-shaft. The engine used a carburetor fuel system, magneto ignition system and lubrication system with gear type oil pump. A 92.075 mm (3.63 in) cylinder bore and 82.5 mm (3.25 in) piston stroke give the motor a total of 552 cc (33.6 cu·in) of displacement.

This engine produced 12.6 PS (9.3 kW; 12.5 HP) at 3,200 rpm of horsepower and 27.5 Nm (2.81 kg·m; 20.3 ft·lb) at 3,200 rpm of torque.

The breakdown of the engine code is as follows:

• K – K-series
• 33 – Approximate daisplacement (cu·in)
• Suffix (engine is available with the following options):
  P – Direct mounted;
  S – Electric starter and generator;
  C – Clutch model;

General information

Engine Specifications
Model	K330
Type	4-stroke, L-head, single cylinder
Displacement	551 cm 3 (33.6 cu-in)
Max. horsepower	12.6 PS (9.3 kW; 12.5 HP) at 3,200 rpm
Max. torque (crank PTO)	27.5 Nm (2.81 kg·m; 20.3 ft·lb) at 3,200 rpm
Fuel system	Carburetor
Cooling system	Forced-air
Ignition system	Magneto ignition system
Lubricating system	Gear-type oil pump
Starting system	Recoil or electric starter
Fuel used	Unleaded gasoline (octane number 86 or higher)
Fuel tank capacity	–

Cylinder Block and Head

Cylinder block
Compression ratio:		–
Bore x Stroke		92.075 x 82.5 mm (3.63 x 3.25 in)
Number of piston rings (compression / oil):		2 / 1
Cylinder Head
Valve Arrangement:		L-head (sidevalve)
Valves:		2

Service Information

Engine
Max speed	3,600 rpm
Oil system
Oil type	API SF or SG
Recommended oil	Summer: SAE 30W Winter: SAE 5W-20, 5W-30
Oil capacity	3 qts.