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
Type4-stroke, OHV, single cylinder
Displacement453 cm3 (27.6 cu-in)
Max. horsepower16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm
Max. torque (crank PTO)
Fuel systemWalbro carburetor
Cooling systemForced-air
Ignition systemSolid-state ignition system
Lubricating systemSplash type
Starting systemRecoil or electric starter
Fuel usedGasoline (octane number 86 or higher)
Fuel tank capacity

Cylinder Block and Head

Cylinder block
Bore x Stroke88.9 X 69.8 mm (3.50 x 2.75 in)
Sleeve internal diameter88.900-88.925 mm (3.5000-3.5010 in)
Piston skirt outer diameter88.773-88.824 mm (3.4950-3.4970 in)
Number of piston rings (compression / oil):2 / 1
Ring end gapTop0.254-0.508 mm (0.010-0.020 in)
Second0.254-0.508 mm (0.010-0.020 in)
Piston pin outer diameter17.465-17.475 mm (0.6876-0.688 in)
Cylinder Head
Valve Arrangement:OHV (overhead valve)
Valve spring free length:50.292 mm (1.98 in)

Service Information

Valve clearance
Intake valve clearance0.127 mm (0.005 in)
Exhaust valve clearance0.254 mm (0.010 in)
Oil system
Oil typeAPI SF or SE
Recommended oil Summer 30 or 10W-30,
Winter 5W-30, 10W
Oil capacity1.5 L (1.59 US. qt, 1.32 Imp. qt.)
Ignition system
Spark plugChampion L-82C, L-85
Spark plug gap0.7-0.8 mm (0.0276-0.0315 in
Fuel system
High spped adjustment screw1 turn
Idle adjustment screw1 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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