The Aprilia RS 125 motorcycle was produced between 1999 and 2002. It has a single cylinder, two stroke engine with reed valve induction and a capacity of 125cc. The bore and stroke measure at 54 x 54.5mm, with a compression ratio of 14.5:1. The bike is liquid cooled and features a Dell’Orto VHSB 34LD induction system alongside electronic ignition and electric starting. It has a maximum power of 24.8kW /34hp at 11000rpm and a maximum torque of 25Nm / 2.5 kgf-m / 18.4 lb-ft at 9000rpm. The transmission is 6-speed with final drive on a chain. The front suspension has upside-down forks, 40mm with a front wheel travel of 120mm / 4.7in. The rear suspension is a monoshock with a rear wheel travel of 120mm / 4.7in. The front brake consists of a single 320mm disc and a 4-piston caliper, while the rear brake features a single 240mm disc and a 2-piston caliper. The front tyre measures 110/70-17 and the rear tyre measures at 150/60-17. Finally, the dry weight of the bike is 115kg / 254lbs.
Technical specifications:
Make Model: Aprilia RS 125
| Year | 1999 – 02 |
|---|---|
| Engine | Single cylinder, two stroke, reed valves induction |
| Capacity | 125 cc / 7.6 cu in |
| Bore x Stroke | 54 x 54.5mm |
| Compression Ratio | 14.5:1 |
| Cooling System | Liquid cooled |
| Induction | Dell’Orto VHSB 34LD |
| Ignition | Electronic |
| Starting | Electric |
| Max Power | 24.8 kW / 34 hp @ 11000 rpm |
| Max Torque | 25 Nm / 2.5 kgf-m / 18.4 lb-ft @ 9000 rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | Upside-down forks, 40mm |
| Front Wheel Travel | 120 mm / 4.7 in |
| Rear Suspension | Monoshock |
| Rear Wheel Travel | 120 mm / 4.7 in |
| Front Brakes | Single 320 mm discs, 4 piston caliper |
| Rear Brakes | Single 240 mm disc, 2 piston caliper |
| Front Tyre | 110/70-17 |
| Rear Tyre | 150/60-17 |
| Dry Weight | 115 kg / 254 lbs |
