RS 125

Aprilia RS 125 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
Carburetor	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, Pioggiali Replica