| MODEL | HERCULES K 125 1972 |
| Year | 1972 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 124 cc / 7.57 cu in |
| Bore X Stroke | 54 x 54 mm / 2.1 x 2.1 in |
| Compression Ratio | 11.8:1 |
| Cooling System | Air |
| Max Power | 12.4 kW / 17 hp @ 7500 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Port control |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | Expanding |
| Rear Brakes | Expanding |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 115 kg / 253.5 lb |
| WHEEL SPECS | |
| Front Tyre | 2.75-17 |
| Rear Tyre | 3.00-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 10.5 Litres / 2.77 US gal |
| Fuel Consumption | — |
| Top Speed | 129 km/h / 80.2 mph |
Sporty 124 cc air-cooled two-stroke with a six-speed gearbox and 17 hp, giving a claimed top speed around 129 km/h. A light, 115 kg road bike with drum brakes.
