Kohler LH760

Kohler LH760The Kohler LH760 is a 747 cc, (45.6 cu·in) V-twin liquid-cooled four-stroke internal combustion gasoline engine from the Aegis series, manufactured by Kohler Co.

The Kohler LH760 engine has an OHV (overhead valve) design, horizontal PTO-shaft, pressurized lubrication system with oil pump. This engine is equipped with an electronic fuel injection (EFI) system and an electronic ignition system.

It has an 83.0 mm (3.30 in) cylinder bore and 69.0 mm (2.70 in) piston stroke. The compression ratio rating is 8.7:1. This engine produced 29.4 PS (21.6 KW; 29.0 HP) at 3,600 rpm of horsepower and 61.7 Nm (6.3 kg·m; 45.5 ft·lb) at 2,600 rpm of peak torque.

The breakdown of the engine code is as follows:

  • L – Liquid-cooled
  • H – Horizontal PTO shaft
  • 760 – Numerical designation

General information

Engine Specifications
ModelAEGIS LH760
Type4-stroke, OHV, V-twin
Displacement747 cm 3 (45.6 cu-in)
Max. horsepower29.4 PS (21.6 KW; 29.0 HP) at 3,600 rpm
Max. torque61.7 Nm (6.3 kg·m; 45.5 ft·lb) at 2,600 rpm
Fuel systemElectronic fuel injection (EFI) system
Cooling systemLiquid-cooled
Ignition systemElectronic ignition system
Lubricating systemPressurized lubrication
Starting systemElectric starter
Fuel usedUnleaded gasoline (octane number 86 or higher)

Cylinder Block and Head

Cylinder block
Compression ratio:8.7:1
Bore x Stroke83.0 X 69.0 mm (3.30 x 2.70 in)
Sleeve internal diameter83.006-83.031 mm (3.2679-3.2689 in)
Number of piston rings (compression / oil):2 / 1
Piston type A
Piston skirt outer diameter82.973-82.991 mm (3.2666-3.2673 in)
Connecting rod small end ID17.006-17.013 mm (0.6695-0.6698 in)
Piston pin outer diameter16.995-17.000 mm (0.6691-0.6693 in)
Side clearance:Top0.014-0.041 mm (0.0005-0.0016 in)
Second0.012-0.039 mm (0.0004-0.0015 in)
Oil0.026-0.176 mm (0.0010-0.0070 in)
Ring end gap:Top0.250-0.560 mm (0.0098-0.02200 in)
Second0.250-0.560 mm (0.0098-0.02200 in)
Piston type B
Piston skirt outer diameter82.978 mm (3.1483 in)
Connecting rod small end ID17.006-17.013 mm (0.6695-0.6698 in)
Piston pin outer diameter16.995-17.000 mm (0.6691-0.6693 in)
Side clearance:Top0.030-0.070 mm (0.0010-0.0026 in)
Second0.030-0.070 mm (0.0010-0.0026 in)
Oil0.060-0.190 mm (0.0022-0.0073 in)
Ring end gap:Top0.189-0.277 mm (0.0074-0.0109 in)
Second1.519-1.797 mm (0.0598-0.0708 in)
Crankshaft main journal diameter:40.913-40.935 mm (1.6107-1.6116 in)
Crankpin journal diameter:35.955-35.973 mm (1.4155-1.4163 in)
Cylinder Head
Valve Arrangement:OHV, gear drive
Valves:4 (2 per cylinder)
Valve head diameter:INTAKE33.370-33.630 mm (1.3138-1.324 in)
EXHAUST29.370-29.630 mm (1.1563-1.1665 in)
Stem outer diameter:INTAKE6.982-7.000 mm (0.2749-0.2756 in)
EXHAUST6.970-6.988 mm (0.2744-0.2751 in)

Tightening torque specs

Tightening torque specs
Cylinder head bolt Step 1: 16.9 Nm (1.72 kg·m; 12.47 ft·lb)
Step 2: 33.9 Nm (3.46 kg·m; 25.02 ft·lb)
Flywheel66.4 Nm (6.77 kg·m; 49.0 ft·lb)
Spark plug27 Nm (2.75 kg·m; 20.0 ft·lb)

Service Information

Oil system
Oil typeAPI SG, SH, SJ, or higher
Recommended oilSAE 10W-30
Oil capacity W/o oil filter: 1.6 liters (1.7 US.qts, 1.4 Imp. qts)
With oil filter: 1.8 liters (1.9 US.qts, 1.58 Imp. qts)
Cooling system
TypePressurized cooling system with integrated belt-driven water pump
Coolant capacity2.0 liters (2.1 US.qts, 1.8 Imp. qts)
Ignition system
Spark plugChampion RC14YC
Spark plug gap0.76 mm (0.030 in)
Ignition module air gap0.2-0.3 mm (0.008-0.012 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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