The Aprilia ETX 125 motorcycle was produced in 1984-85 and featured a two-stroke single-cylinder engine with a capacity of 123.6cc. It had a compression ratio of 15.5:1 and was liquid-cooled. The bike had a 6-speed transmission and produced a maximum power of 13.6 kW or 18.3 hp at 8250 rpm. The final drive was a chain and the frame was a single steel beam cradle. The front suspension had a hydraulic telescopic fork with Marzocchi A35 mm, and the rear suspension was a swingarm with a single shock absorber. The front brake was a single disc with a diameter of approximately 230 mm, while the rear brake was a drum with a diameter of 125 mm. The front and rear tires were 2.75-21 and 4.00-18, respectively. The dry weight of the bike was 113 kg or 249 lbs, and the fuel capacity was 10 L or 2.6 US gal. The top speed of the bike was 121.5 km/h or 75.5 mph.
Technical specifications:
Make Model: Aprilia ETX 125
| Year | 1984-85 |
|---|---|
| Engine | Two stroke single cylinder |
| Capacity | 123.6 cc / 7.54 cu in |
| Bore x Stroke | 54 x 54 mm |
| Compression Ratio | 15.5:1 |
| Cooling System | Liquid cooled |
| Transmission | 6 Speed |
| Maximum Power | 13.6 kW / 18.3 hp @ 8250 rpm |
| Final Drive | Chain |
| Frame | Single steel beam cradle |
| Front Suspension | Hydraulic telescopic front fork, Marzocchi ~A35 mm |
| Rear Suspension | Swingarm with single shock absorber |
| Front Brakes | Single disc, ~A230 mm |
| Rear Brakes | Drum, ~A125 mm |
| Front Tyre | 2.75-21 |
| Rear Tyre | 4.00-18 |
| Dry Weight | 113 kg / 249 lbs |
| Fuel Capacity | 10 L / 2.6 US gal |
| Top Speed | 121.5 km/h / 75.5 mph |
