Aprilia ST 125 (1982-84) technical specifications

Aprilia ST 125 is produced in 1982-84. Engine is Two stroke, single cylinder, displacement 124 cc / 7.6 cu in , produces power 13.8 Nm / 18.5 hp @ 8250 rpm. Aprilia ST 125 top speed is 126.8 km/h / 78.8 mph. Aprilia ST 125 weighs 104 kg / 229 lbs. Aprilia ST 125 has 4 photos.

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:	Liquid cooled
Induction:	Ø28 mm Dell'Orto PHBH AS
Ignition:	Electronic
Battery:	12V 5.5 Ah
Generator:	130W
Starting:	Kick
Clutch:	Multi-disc oil bath
Max Power:	13.8 Nm / 18.5 hp @ 8250 rpm
Transmission:	6 Speed
Final Drive:	Chain
Frame:	Double cradle tubular steel
Front Suspension:	Marzocchi Ø32mm fork. non-adjustable
Rear Suspension:	Swingarm with single shock absorber
Front Brakes:	Single Ø230 mm disc
Rear Brakes:	Ø160mm drum
Front Wheel:	2.75-18
Rear Wheel:	3.00-18
Seat Height:	800 mm / 31.5 in
Dry Weight:	104 kg / 229 lbs
Top Speed:	126.8 km/h / 78.8 mph