Aprilia RX 125

Make Model	Aprilia RX 125 Six days Model L
Year	1988 - 90
Engine	Single cylinder, two stroke, Rotax 123 with Gilardoni cylinder/head
Capacity	124.8 cc / 7.6 cu in
Bore x Stroke	54 x 54.5 mm
Compression Ratio	11.5:1
Cooling System	Liquid cooled
Induction	VHSB34 LD carburetor
Starting	Kick
Max Power	24.2 kW / 32.4 hp@ 10800 rpm
Max Torque	20.6 Nm / 2.1 kgf-m / 15.2 lb-ft @ 10500 rpm
Transmission	6 Speed
Final Drive	#520 Chain, 12T to 17T pinion gears, 49 T spur gear
Front Suspension	Marzocci upside down fork
Rear Suspension	Swingarm with single shock absorber, Aprilia Progressive system with compression extension, adjustable, Boge Sachs shock absorber
Front Brakes	Single disc, 250 mm
Rear Brakes	Single disc, 220 mm
Front Tyre	90/90-21
Rear Tyre	120/90-18
Wet Weight	115 kg / 253.5 lbs
Fuel Capacity	9 L / 2.4 US gal / 2.0 Imp gal
Consumption Average	5.5 L/100 km / 18.2 km/l / 42.8 US mpg / 51.4 Imp mpg
Braking 60 km/h / 32 mph - 0	14.8 m / 48.6 ft
Braking 100 km/h / 67 mph - 0	43.1 m / 141.4 ft
Standing ¼ Mile	15.2 sec / 131.4 km/h / 81.6 mph
Top Speed	132.2 km/h / 82.1 mph
Road Test	Motosprint 1990 Group Test