Aprilia RX 125 R (1992-93)

The Aprilia RX 125R World Championship Replica motorcycle was produced from 1992 to 1993. It has a single cylinder, two-stroke Rotax 123 Gilardoni engine with a capacity of 124.8cc and a compression ratio of 12.5:1. It has an electric and kick start with a VHSB34 LD carburetor and can reach a maximum power output of 25.7 kW/34.5 hp at 10,800 rpm and maximum torque of 21.6 Nm at 10,500 rpm. It has a six-speed transmission, #520 chain with 12T to 17T pinion gear and a 49T spur gear for the final drive. The front suspension is a Marzocchi upside-down fork, while the rear suspension is a swingarm with a single shock absorber and Aprilia Progressive System with a fully adjustable Boge Sachs shock absorber. It has a single 250mm disc front brake and a single 220mm disc rear brake. The dry weight of the motorcycle is 105 kg, with a wet weight of 122 kg and a fuel capacity of 11.5 L. The average consumption is 6.7 L/100 km, and it has a braking distance of 14.3m when braking from 60 km/h to 0 and 42.9m when braking from 100 km/h to 0. The standing quarter-mile is reached in 14.9 seconds at a top speed of 127 km/h, while the top speed achieved by this motorcycle is 132.2 km/h.


Technical specifications:

Make Model: Aprilia RX 125R World Championship Replica (Model N) Aprilia RX 125 Control Data (Model N)

Year: 1992 – 93


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: Electric and kick
Max Power: 25.7 kW / 34.5 [email protected] 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 250 mm disc
Rear Brakes: Single 220mm disc
Front Tyre: 90/90-21

Rear Tyre: 120/90-18
Dry Weight: 105 kg / 231 lbs
Wet Weight: 122 kg / 269 lbs
Fuel Capacity: 11.5 L / 3.0 US gal / 2.5 Imp 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 1/4 Mile: 14.9 sec / 127.0 km/h / 79 mph
Top Speed: 132.2 km/h / 82.1 mph

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