The 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 |
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.
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