Kohler SH265

Kohler SH265The Kohler SH265 is a 196 cc (12.0 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine from the SH/3000/Courage series, manufactured by Kohler Co., for general-purpose applications.

The Kohler SH265 engine has an OHV (overhead valve) design, aluminum block with cast iron cylinder liners. This engine is equipped with one-barrel carburetor with fixed main jet, dependable magneto breakerless ignition system and mechanical governor.

Cylinder bore and piston stroke are 68.0 mm (2.7 in) and 54.0 mm (2.1 in), respectively. Compression ratio rating is 8.5:1.

The SH265 engine produced 6.7 PS (4.9 KW; 6.5 HP) at 3,600 rpm of horsepower and 13.8 Nm (1.4 kg·m; 10.2 ft·lb) at 3,000 rpm of torque.

The breakdown of the engine code is as follows:

  • SH – SH series
  • 2 – Slanted cylinder
  • 65 – Output power 6.5 HP

General information

Engine Specifications
Model Kohler SH265
Type 4-stroke, OHV, single cylinder
Displacement 196 cm 3 (12.0 cu-in)
Max. horsepower 6.7 PS (4.9 KW; 6.5 HP) at 3,600 rpm
Max. torque (crank PTO) 13.8 Nm (1.4 kg·m; 10.2 ft·lb) at 3,000 rpm
Fuel system One-barrel carburetor with fixed main jet
Cooling system Forced-air
Ignition system Dependable magneto breakerless
Lubricating system Splash type
Starting system Recoil/12V electric (optional) starter
Fuel used Unleaded gasoline (octane number 86 or higher)
Fuel tank capacity 3.3 liters (3.5 US.qts, 2.9 Imp. qts)
Dimensions (L x W x H) 319x366x343 mm (12.5×14.4×13.5 in)
Weight 16.0 kg (35.3 lbs)

Cylinder Block and Head

Cylinder block
Compression ratio: 8.5:1
Bore x Stroke 68.0 X 54.0 mm (2.7 x 2.1 in)
Sleeve internal diameter 68.027-68.035 mm (2.6782-2.6785 in)
Piston skirt outer diameter 67.975-67.985 mm (2.6762-2.6766 in)
Number of piston rings (compression / oil): 2 / 1
Ring side clearance Top 0.040 mm (0.0016 in)
Second 0.040 mm (0.0016 in)
Ring end gap Top 0.325-0.400 mm (0.0130-0.0160 in)
Second 0.325-0.400 mm (0.0130-0.0160 in)
Connecting rod small end ID 18.010-18.015 mm (0.7090-0.7092 in)
Connecting rod big end ID 30.021-30.026 mm (1.1819-1.1821 in)
Piston pin outer diameter 17.992-17.995 mm (0.7083-0.7084 in)
Main bearing journal outer diameter: 24.975-24.989 mm (0.9833-0.9838 in)
Connecting rod journal outer diameter: 29.975-29.985 mm (1.1801-1.1805 in)
Cylinder Head
Valve Arrangement: OHV
Valves: 2
Valve head diameter: INTAKE 25.000 mm (0.9842 in)
EXHAUST 24.000 mm (0.9449 in)
Stem outer diameter (standard): INTAKE 5.500 mm (0.2165 in)
EXHAUST 5.500 mm (0.2165 in)
Valve length (standard): INTAKE 64.000 mm (2.5197 in)
EXHAUST 62.000 mm (2.4409 in)

Tightening torque specs

Tightening torque specs
Cylinder head (torque in 2 increments) Step 1: 12.0 Nm (1.2 kgf·m; 8.9 ft·lb)
Step 2: 24.0 Nm (2.4 kgf·m; 17.7 ft·lb)
Connecting rod 12.0 Nm (1.2 kgf·m; 8.9 ft·lb)
Flywheel 74.0 Nm (7.5 kgf·m; 54.6 ft·lb)
Oil drain plug 17.0 Nm; (1.73 kg·m; 12.5 ft·lb)
Spark plug 27.0 Nm (2.8 kgf·m; 19.9 ft·lb)

Service Information

Engine
Idle speed 2,000 ± 150 rpm
Valve clearance
Intake valve clearance 0.100 mm (0.0040 in)
Exhaust valve clearance 0.150 mm (0.0060 in)
Oil system
Oil type API SJ or higher
Recommended oil SAE 10W-30
Oil capacity 0.6 L (0.63 US. qt, 0.53 Imp. qt.)
Ignition system
Spark plug Champion: RC12YC
Spark plug gap 0.76 mm (0.030 in)
Ignition module air gap 0.254 mm (0.0100 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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