AI
Hercules
GS 125
Enduro · 123 cc
For sale now1 motorcycles
- Engine
- 123 cc
- Power
- 22 hp
- Weight
- 112 kg
- Price range
- €4,950 – €4,950
- Avg. mileage
- 1 km
- Common year
- 1975 · 1 motorcycles
This text was partly made with AI and may contain errors.
What should you pay for a GS 125?
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Price trend
Based on price data from 2 of the past 12 months.
The typical asking price has barely changed since September 2026.
Model family
GS 125 at a glance
Quick reference values. Model year, generation and trim can differ.
Displacement
123 cc
Power
22 hp · 16 kW
Torque
18 Nm
Category
Enduro
Specifications
- Displacement
- 123 cc
- Power
- 22 hp · 16 kW
- Torque
- 18 Nm
- Weight
- 112 kg
- Seat height
- 900 mm
- Fuel capacity
- 9 l
- Top speed
- 120 km/h
- Production
- 1971 – 1978
- Category
- Enduro
Search results
1 results for Hercules GS 125
1results for Hercules GS 125
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Comparable models
Also worth considering
Models in the same category and price range to consider alongside the GS 125.
Generations and editions
Features and handling differ by generation. Use this overview to find the right version.
1 variants
Years
1971 - 1978
GS 125
GenerationThis technical reference row for the GS 125 combines the available catalogue data: 123 cc, 16 kW, 22 hp, 112 kg. It describes the model reference, but does not necessarily distinguish every production or equipment change. Always verify model year, trim and technical values against the individual motorcycle.
123 cc22 hp
About this model
About the Hercules GS 125
The Hercules GS 125 is a lightweight German enduro from the 1970s, built around an air-cooled 123 cc Sachs two-stroke. Its six-speed gearbox, slim tank, large wheels and simple long-travel suspension were intended for dependable trail and competition use. Road and sporting versions could differ considerably in output, lighting and exhaust, making engine code and homologation more useful than the model name alone.
Today the GS 125 mainly appeals as a rare classic enduro. Low mass and direct two-stroke response make it lively, while brakes and suspension remain period technology. Buy for completeness: original tank, airbox, exhaust, hubs and plastics are difficult to replace. Check compression, crank bearings, ignition and gearbox before riding. A documented restoration using correct Sachs parts is worth more than a shiny motorcycle assembled from unrelated components.
- Category
- Enduro
- Production
- 1971 – 1978
- Power
- 22 hp
- Weight
- 112 kg
Before you buy
What to check before buying
- Verify Sachs engine code and road or competition specification.
- Measure compression and check crank bearings and seals.
- Test ignition, gearbox and clutch under load.
- Inspect frame, tank, exhaust and rare off-road parts for originality.
Frequently asked questions
Frequently asked questions about the Hercules GS 125
What does a used Hercules GS 125 cost?
A used Hercules GS 125 costs €4,950 on average. Most cost €4,950 to €4,950. This is based on 1 motorcycles for sale now.
How many used Hercules GS 125 are for sale?
MotorMonitor now compares 1 used Hercules GS 125 motorcycles from Dutch sales sites.
What year and mileage does an average used Hercules GS 125 have?
The average used Hercules GS 125 is from 1975 and has done about 1 km.