Tecumseh HH160

Tecumseh HH160The Tecumseh HH160 is a 453 cc (27.6 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Tecumseh.

The Tecumseh HH160 engine has an overhead valve (OHV) design, horizontal PTO shaft, cast-iron cylinder block. This engine is equipped with the Walbro carburetor and solid-state ignition system.

The cylinder bore is 88.9 mm (3.5 in) and the piston stroke is 69.8 mm (2.75 in). This engine produced 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm horsepower.

The breakdown of the engine code is as follows:

  • HH – Horizontal-Heavy Duty
  • 160 – 16.0 HP

General information

Engine Specifications
Model HH160
Type 4-stroke, OHV, single cylinder
Displacement 453 cm3 (27.6 cu-in)
Max. horsepower 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm
Max. torque (crank PTO) –
Fuel system Walbro carburetor
Cooling system Forced-air
Ignition system Solid-state ignition system
Lubricating system Splash type
Starting system Recoil or electric starter
Fuel used Gasoline (octane number 86 or higher)
Fuel tank capacity –

Cylinder Block and Head

Cylinder block
Bore x Stroke 88.9 X 69.8 mm (3.50 x 2.75 in)
Sleeve internal diameter 88.900-88.925 mm (3.5000-3.5010 in)
Piston skirt outer diameter 88.773-88.824 mm (3.4950-3.4970 in)
Number of piston rings (compression / oil): 2 / 1
Ring end gap Top 0.254-0.508 mm (0.010-0.020 in)
Second 0.254-0.508 mm (0.010-0.020 in)
Piston pin outer diameter 17.465-17.475 mm (0.6876-0.688 in)
Cylinder Head
Valve Arrangement: OHV (overhead valve)
Valves: 2
Valve spring free length: 50.292 mm (1.98 in)

Service Information

–

Valve clearance
Intake valve clearance 0.127 mm (0.005 in)
Exhaust valve clearance 0.254 mm (0.010 in)
Oil system
Oil type API SF or SE
Recommended oil Summer 30 or 10W-30,
Winter 5W-30, 10W
Oil capacity 1.5 L (1.59 US. qt, 1.32 Imp. qt.)
Ignition system
Spark plug Champion L-82C, L-85
Spark plug gap 0.7-0.8 mm (0.0276-0.0315 in
Fuel system
Carburetor Walbro
High spped adjustment screw 1 turn
Idle adjustment screw 1 turn
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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