Kohler K330

Kohler K330The Kohler K330 is a 552 cc, (33.7 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Kohler Co., for general-purpose applications.

The cylinder bore is 92.075 mm (3.62 in) and the piston stroke is 82.5 mm (3.25 in). The K330 engine produced 12.6 PS (9.3 kW; 12.5 HP) at 3,200 rpm of maximum horsepower and 27.5 N·m (2.8 kg·m, 20.3 ft·lb) at 3,200 rpm of maximum torque.

The Kohler K330 features:

  • L-head (side valve) design
  • Magneto ignition system
  • Carburetor
  • Centrifugal governor
  • Splash type lubrication system
  • Forced air cooling system
  • Retractable or electric starter

General information

Engine Specifications
Engine modelK330
Engine type4-stroke, L-head (side valve), single-cylinder
Displacement552 cm3, (33.7 cu·in)
Max. horsepower12.6 PS (9.3 kW; 12.5 HP) at 3,200 rpm
Max. torque27.5 N·m (2.8 kg·m, 20.3 ft·lb) at 3,200 rpm
Cooling systemForced air
Air cleanerPaper air cleaner (oiled foam precleaner)
Lubricating systemSplash type
Ignition systemMagneto ignition system
Fuel systemCarburetor
Fuel consumption
Fuel tank capacity
Fuel usedUnleaded gasoline (octane number 86 or higher)
Starting systemRetractable starter
Stoping systemIgnition primary circuit ground
GovernorCentrifugal governor
Dimensions (L x W X H)
Dry weight

Cylinder Block and Head

Cylinder block
Compression ratio:
Cylinder bore:92.075 mm (3.62 in)
Piston stroke:82.5 mm (3.25 in)
Cylinder head
Valve arrangement:L-head (side valve)

Service Data

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:API SF or SG
Recommended oil: Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity:1.9 L (2.01 US. qt, 1.67 Imp. qt.)
Fuel system
Ignition system
Type:Magneto 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)
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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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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