Hercules K 180 Military - 1991 Specifications and Reviews
The 1991 Hercules K 180 Military is a lightweight, utilitarian two-stroke motorcycle designed for practical riders seeking economical commuting and off-road capability. Its modest 178cc single-cylinder engine delivers 17 horsepower and a top speed of 110 km/h, prioritizing reliability and fuel efficiency over performance. Best known for its rugged construction and versatile character, it suits budget-conscious riders and military applications requiring dependable, low-maintenance transportation.
1991
General information | |
| Category | Unspecified category |
| Year | 1991 |
| Model | Hercules K 180 Military |
Engine and Transmission Specifications | |
| Transmission type,final drive | Chain |
| Gearbox | 5-speed |
| Cooling system | Air |
| Fuel control | Port control |
| Bore x stroke | 61.0 x 61.0 mm (2.4 x 2.4 inches) |
| Compression | 10.8:1 |
| Top speed | 110.0 km/h (68.4 mph) |
| Power | 17.00 |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 178.00 ccm (10.86 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Expanding brake |
| Front brakes | Expanding brake |
| Rear tyre dimensions | 3.25-18 |
| Front tyre dimensions | 3.25-18 |
| | |
Physical measures and capacities | |
| Fuel capacity | 15.00 litres (3.96 gallons) |
| Weight incl. oil, gas, etc | 135.0 kg (297.6 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
Performance Profile & Rider Fit
17 hp
Peak Power
68.4 mph
Top Speed
Best For
Track10%
City45%
Cornering40%
Daily Riding40%
Touring30%
Passenger20%
Rider Profile
| Best For | This lightweight, low-powered two-stroke single is an easy, forgiving machine well-suited to novice or utilitarian riders rather than seasoned speed enthusiasts. |
| Purpose | Originally built as a military utility motorcycle, it is best suited to basic transport, light off-road use, and simple point-to-point riding rather than performance or long-distance touring. |
| Rider Fit | At 135 kg and with a simple upright military-style layout, it is light and easy to manage physically, requiring little strength or effort to handle at low speeds. |
| Character | It has a rugged, no-frills, functional character typical of old-school military and utility bikes, prioritizing simplicity and durability over speed or comfort. |
| Not Ideal For | It is not suited for riders seeking high speed, long-distance touring comfort, or passenger carrying capability. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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