Technical specifications
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| Model: |
ST 125 |
| Years: |
1982-84 |
|
Engine:
|
Two stroke, single cylinder
|
|
Capacity:
|
124 cc / 7.6 cu in
|
|
Bore x Stroke:
|
52.8 mm x 57mm
|
|
Compression Ratio:
|
14.5:1
|
|
Cooling System:
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Liquid cooled
|
|
Induction:
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Ø28 mm Dell'Orto PHBH AS
|
|
Ignition:
|
Electronic
|
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Battery:
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12V 5.5 Ah
|
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Generator:
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130W
|
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Starting:
|
Kick
|
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Clutch:
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Multi-disc oil bath
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|
Max Power:
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13.8 Nm / 18.5 hp @ 8250 rpm
|
|
Transmission:
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6 Speed
|
|
Final Drive:
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Chain
|
|
Frame:
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Double cradle tubular steel
|
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Front Suspension:
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Marzocchi Ø32mm fork. non-adjustable
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|
Rear Suspension:
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Swingarm with single shock absorber
|
|
Front Brakes:
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Single Ø230 mm disc
|
|
Rear Brakes:
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Ø160mm drum
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Front Wheel:
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2.75-18
|
|
Rear Wheel:
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3.00-18
|
|
Seat Height:
|
800 mm / 31.5 in
|
|
Dry Weight:
|
104 kg / 229 lbs
|
|
Top Speed:
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126.8 km/h / 78.8 mph
|