| General information |
|---|
| Model | Hercules K 125 S |
| Year | 1978 |
| Category | Allround |
| Rating | 3.7 Check out the detailed rating of reliability, maintenance costs, value for money, etc. Compare with any other motorcycle. |
| Engine and transmission |
|---|
| Displacement | 124.0 ccm (7.57 cubic inches) |
| Engine type | Single cylinder, two-stroke |
| Power | 17.0 HP (12.4 kW)) @ 7500 RPM |
| Top speed | 117.0 km/h (72.7 mph) |
| Compression | 11.8:1 |
| Bore x stroke | 54.0 x 54.0 mm (2.1 x 2.1 inches) |
| Fuel control | Port control |
| Cooling system | Air |
| Gearbox | 6-speed |
| Transmission type | Chain (final drive) |
| Chassis, suspension, brakes and wheels |
|---|
| Front tire | 2.75-17 |
| Rear tire | 3.00-17 |
| Front brakes | Single disc |
| Rear brakes | Expanding brake |
| Physical measures and capacities |
|---|
| Weight incl. oil, gas, etc | 122.0 kg (269.0 pounds) |
| Fuel capacity | 11.00 litres (2.91 US gallons) |
| Other specifications |
|---|
| Update specs | Report missing specs or required updates. |
| Further information |
|---|
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Finance options | Compare US motorcycle loan quotes from the nation's top providers. |
| Parts finder | Revzilla offers up to 50% off motorcycle accessories. Ships to most countries.
Also check out our overview of motorcycle webshops at Bikez.info. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 78 Hercules K 125 S discussion group or the general Hercules discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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Rating sample for this Hercules bike
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Touring capabilities for the 1978 Hercules K 125 S:
 (82.5 out of 100)
Click here for complete rating. You can also compare bikes.
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