Naked Motorcycles

1985Kreidler Mustang 125

18 fields on record

The 1985 Kreidler Mustang 125 is an entry-level commuter and learner bike powered by a liquid-cooled 123cc two-stroke single producing 16 horsepower. Best suited for novice riders, it combines simplicity and reliability with modest performance, reaching 110 km/h. The compact, lightweight design and five-speed transmission made it an accessible first motorcycle for everyday urban riding.

Capacity: 123.0 ccm
Engine: Single, two-stroke
Gearbox: 5-speed
Wet weight: 110.0 kg
Seat height: Not on record
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Power: 16.0 HP (11.8 kW) @ 7250 RPM

⇄ Compare with another bike All model years

Other years 1983 1984 1985 1986 1987

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail20%

Cornering55%

City riding75%

Daily riding65%

Touring25%

Two-up25%

Track20%

Best for: Best suited to short commutes, learning the basics of riding, and light urban runabout duties rather than sustained speed or distance work.
Built for: A simple, nimble, low-powered two-stroke single that rewards revving it out and flicking through corners rather than outright pace.
Not ideal for: Not suitable for riders wanting highway speeds, long-distance touring comfort, passenger carrying, or any off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Full specifications

Engine

Capacity: 123.0 ccm
Power: 16.0 HP (11.8 kW) @ 7250 RPM
Engine type: Single, two-stroke
Power/weight ratio: 0.1455 HP/kg
Bore x stroke: 55.0 x 52.0 mm
Compression: 10.0:1
Cooling system: Liquid
Torque: Not on record - add it

Transmission

Gearbox: 5-speed
Transmission type: Manual
Final drive: Chain

Performance

Top speed: 110.0 km/h (68.4 mph)

Dimensions & weight

Wet weight: 110.0 kg
Fuel capacity: 11.00 litres
Seat height: Not on record - add it
Dry weight: Not on record - add it

Brakes & wheels

Front brakes: Single disc
Rear brakes: Expanding brake
Front tyre: 2.75-18
Rear tyre: 3.25-18

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	1983	1984	1985	1986	1987
Capacity	123.00 ccm (7.51 cubic inches)	123.00 ccm (7.51 cubic inches)	123.00 ccm (7.51 cubic inches)	123.00 ccm (7.51 cubic inches)	123.00 ccm (7.51 cubic inches)
Fuel capacity	11.00 litres (2.91 gallons)	11.00 litres (2.91 gallons)	11.00 litres (2.91 gallons)	11.00 litres (2.91 gallons)	11.00 litres (2.91 gallons)