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Aprilia STX 125 (1985) technical specifications

Aprilia STX 125 is produced in 1985. Engine is Two stroke, single cylinder, displacement 124cc / 7.6 cu in , produces power 15.7 kW / 21hp @ 8000 rpm. Aprilia STX 125 top speed is 135 km/h / 83.9 mph. Aprilia STX 125 weighs 104 kg / 229 lbs.

Technical specifications

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Model: STX 125
Years: 1985
Engine: Two stroke, single cylinder
Capacity: 124cc / 7.6 cu in
Bore x Stroke: 52.8 mm x 57mm
Compression Ratio: 14.5:1
Cooling System: Liquid cooled
Induction: 26 Dell'Orto PHBH AS
Ignition: Electronic
Starting: Kick
Clutch: Multi-disc oil bath
Max Power: 15.7 kW / 21hp @ 8000 rpm
Transmission: 6 Speed
Final Drive: Chain
Frame: Double cradle tubular steel
Rake: 26.5°
Trail: 86 mm / 3.4 in
Front Suspension: Marzocchi Ø32 mm, non-adjustable
Rear Suspension: Swingarm with single shock absorber
Front Brakes: Single Ø240 mm disc
Rear Brakes: Single Ø230 mm disc
Front Tyre: 100-90 -16
Rear Tyre: 100-90 -18
Seat Height: 800 mm / 31.5in
Dry Weight: 104 kg / 229 lbs
Top Speed: 135 km/h / 83.9 mph

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