APRILIA RS 125 SPECIFICATIONS
Engine type Single cylinder two-stroke, liquid cooled. Aluminium cylinder with Gilnisil coating on barrel. Reed intake and exhaust port control valve. Separate lubrication.
Bore and stroke 54 x 54.5 mm
Displacement 124.8 cc
Compression ratio 12.5 ± 0.5:1
Carburettor Dell'Orto PHBH 28 BD
Ignition CDI capacitor discharge electronic
Starting Electric starter
Generator 12V - 180 W
Lubrication Separate mixing with variable displacement volumetric pump
Gear box Six speed
Primary drive Gear
Final drive Chain
Clutch
Multiple disk in oil bath
Frame
Cast aluminium sloping twin-spar with thin walled structural shell and cross rib reinforcement
Front suspension Upside-down hydraulic action telescopic fork, 40 mm Ø inners, wheel travel 120 mm
Rear suspension Cast aluminium swing-arm with asymmetrical members, thin walled structural shell, single hydraulic monoshock, adjustable spring preload, wheel travel 120 mm
Brakes Front: floating calliper, disk Ø 320 mm, four parallel pistons, 32 mm diameter
Rear: single disk, Ø 220 mm, twin piston calliper, piston diameter 32 mm
Wheels Five spoke aluminium alloy, front 3.00 x 17", rear 4.00 x 17"
Tyres Tubeless radials, front. 110/70 ZR 17", rear 150/60 ZR 17"
Dimensions Maximum length 1,950 mm
Maximum width at handlebars 720 mm
Maximum height at windshield 1,135 mm
Seat height 805 mm
Wheelbase 1,345 mm
Tank capacity 14 litres (3.5 litre reserve)
Colours SBK Replica, GP-1 Replica
