Key performance
Technical specifications
- Power
- 13.0 ch @ 9500 tr/min (9.5 kW) → 8.9 ch @ 9500 tr/min (6.5 kW)
- Engine type
- V2, four-stroke → Single cylinder, four-stroke
- Cooling
- Air → —
- Fuel system
- — → Carburettor
- Ignition
- — → CDI
- Gearbox
- — → 5-speed
- Final drive
- — → Chain (final drive)
- Front suspension
- — → Telescopic fork
- Front brakes
- Single disc → Double disc. Wave disk
- Rear brakes
- Expanding brake → Single disc. Wave disk
- Front tyre
- 110/70-17 54H → 110/70-17
- Rear tyre
- 140/70-17 66H → 110/70-17
- Seat height
- 760.00 mm → 780.00 mm
- Wheelbase
- — → 1385.00 mm
- Length
- — → 2065.00 mm
- Width
- — → 760.00 mm
- Height
- — → 1181.00 mm
- Weight
- 148.00 kg → —
- Dry weight
- — → 145.00 kg
Engine
- Displacement
- 124 cc
- Power
- 8.9 ch @ 9500 tr/min (6.5 kW)
- Engine type
- Single cylinder, four-stroke
- Fuel system
- Carburettor
- Ignition
- CDI
- Starter
- Electric
Chassis
- Gearbox
- 5-speed
- Final drive
- Chain (final drive)
- Front suspension
- Telescopic fork
Brakes
- Front brakes
- Double disc. Wave disk
- Rear brakes
- Single disc. Wave disk
- Front tyre
- 110/70-17
- Rear tyre
- 110/70-17
Dimensions
- Seat height
- 780.00 mm
- Wheelbase
- 1385.00 mm
- Length
- 2065.00 mm
- Width
- 760.00 mm
- Height
- 1181.00 mm
- Fuel capacity
- 20.00 L
- Dry weight
- 145.00 kg
Overview
In 2011, the A1 license had just been reformed, promising a lucrative market of young motorcyclists seeking their first machine. Sachs, a German brand with solid roots but a discreet presence, then released this Roadster 125, an exercise in economic rationality aimed at novices. With its 124 cc four-stroke single-cylinder engine, the machine develops 8.9 horsepower at 9500 rpm, a power output that scrupulously respects the legal limit and will not upset dyno tests. Final chain transmission and a five-speed gearbox complete a mechanical layout of voluntary simplicity, almost archaic in the age of electronic injection, with its carburetor.

What strikes you is the design of a true roadster silhouette, far from deformed mini-replicas of larger displacement machines. The frame has a wheelbase of 1385 mm, a figure that suggests a certain stability, while the 78 cm high seat opens the door to the vast majority of body types. At 145 kg dry weight, it is not a featherweight, but this weight contributes to a feeling of robustness when stationary. The 20-liter fuel tank is a generous, almost disproportionate proposition, promising intervals between gas stations that would make a globetrotter envious.
On paper, the equipment follows a logic of controlled cost. The classic telescopic fork and disc brakes, with the front adopting a wavy disc, are expected choices. Tires in 110/70-17 at the front and rear confirm a standardized approach, facilitating future replacements. The announced top speed of 85 km/h is consistent with the urban and suburban use for which this motorcycle is intended, without false pretenses of inaccessible performance.
Compared to a Yamaha YBR 125 or a Honda CG 125 of the time, the Sachs Roadster 125 positions itself in the same segment of reliable and unpretentious entry-level machines. Its argument may lie in its more assertive naked bike style and the heritage of its name. It does not seek to seduce the Sunday track rider, but rather the apprentice motorcyclist who needs a docile mount for their daily commutes. It is a learning machine, designed to absorb the mistakes of beginners and city kilometers without complication.
One can easily imagine its audience: the student going to class, the young urban mobility actor seeking an alternative to a scooter, or simply someone who wants to taste motorcycling without committing a significant budget. It does not excite the crowds, does not make the columns of noise vibrate, but it fulfills an essential mission with mechanical honesty that commands respect. In the 125 cc ecosystem, it is the silent worker, the one who does the job without being noticed, and that may be its greatest merit.
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