Aprilia RX 125 R

Make Model	Aprilia RX 125C (Model P) Aprilia RX 125 Control Data
Year	1993 - 94
Engine	Single cylinder, two stroke, Rotax 123, Gilardoni 2 cylinder/head
Capacity	124.8 cc / 7.6 cu in
Bore x Stroke	54 x 54.5 mm
Compression Ratio	12.5:1
Induction	VHSB34 LD carburetor
Starting	Kick
Max Power	25.7 kW / 34.5 hp @ 10800 rpm
Max Torque	21.6 Nm / 2.2 kgf-m / 15.9 lb-ft @ 10500 rpm
Transmission	6 Speed
Final Drive	#520 Chain, 12T to 17T pinion gear, 49T spur gear
Front Suspension	Marzocchi upside down fork
Rear Suspension	Swingarm with single shock absorber, Aprilia Progressive System with fully adjustable Boge Sachs shock absorber
Front Brakes	Single Ø 250 mm disc
Rear Brakes	Single Ø 220mm disc
Front Tyre	90/90-21
Rear Tyre	120/80-19
Dry Weight	105 kg / 231 lbs
Wet Weight	122 kg / 269 lbs
Fuel Capacity	11.5 L / 3.o US gal
Consumption Average	6.7 L/100 km / 15.0 km/l / 36 USmpg
Braking 60 km/h / 32 mph - 0	14.3 m / 46.9 ft
Braking 100 km/h / 67 mph - 0	42.9 m / 140.7 ft
Standing ¼ Mile	14.9 sec / 127.0 km/h / 79 mph
Top Speed	32.2 km/h / 82.1 mph

Tuttomoto magazine1994