Aprilia RX125 R (1998-00)

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The Aprilia RX125 R was a motorcycle produced from 1998 to 2000. It had a single cylinder, two stroke engine with a capacity of 124.8 cc and a compression ratio of 12.5:1. The bike was equipped with a Dell’Orto 34 mm carburetor and had both electric and kick starting options. The maximum power output was 23.1 kW at 10800 rpm, while the maximum torque was 21.6 Nm at 10500 rpm. The bike had a six-speed transmission and a chain final drive. The front suspension was an upside-down fork, while the rear suspension featured a swinging fork swingarm with a single shock absorber. The bike had single disc brakes both at the front and rear. The front tyre was 90/90-21, while the rear tyre was 120/80-19. The dry weight of the bike was 105 kg, while the wet weight was 122 kg. The fuel capacity was 11.5 L, and the bike had an average consumption of 6.7 L/100 km. The braking distance for 60 km/h was 14.3 m.

Technical specifications:

Make Model: Aprilia RX 125R

Year: 1998 – 00


Engine: Single cylinder, two stroke
Capacity: 124.8 cc / 7.6 cu in
Bore x Stroke: 54 x 54.5 mm
Compression Ratio: 12.5:1
Induction: Dell’Orto 34 mm carburetor
Starting: Electric and kick
Max Power: 23.1 kW / 31.0 hp @ 10800 rpm
Max Torque: 21.6 Nm / 2.2 kgf-m / 15.9 lb-ft @ 10500 rpm
Transmission: 6 Speed
Final Drive: Chain
Front Suspension: Upside down fork
Rear Suspension: Swinging fork swingarm with single shock absorber
Front Brakes: Single 250 mm disc
Rear Brakes: Single 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

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