The Aprilia AF1 Prototipo was a motorcycle model released in 1985. It had a two-stroke, single cylinder engine with a capacity of 123cc and a compression ratio of 15.5:1. The bike was liquid cooled and had a Dell’Orto carburetor with a 28mm induction. It had a maximum power of 18.7 kW / 25.1 hp @10000 rpm and a maximum torque of 17.7 Nm / 1.8 kgf-m / 13.1 lb-ft @ 8000 rpm. The transmission was 6 speed and it had a final drive of chain. The bike had a telescopic fork front suspension and a Sebac mono shock rear suspension. The front brakes were a single 260mm disc and the rear brakes were a single 240mm disc. The dry weight was 120 kg / 265 lbs and wet weight was 134.6 kg / 297 lbs. The fuel capacity was 22.5 L / 5.9 US gal and the bike had an average consumption of 4.4 L/100 km / 22.7 km/l / 53 US mpg. The bike could brake from 60 km/h / 37 mph to 0 in 12.8 m / 42.0 ft, and from 100 km/h / 62 mph to 0 in 39.9 m / 131 ft. It could complete a standing 1/4 mile in 15.9 sec / 129.3 km/h / 80.3 mph and had a top speed of 156.6 km/h / 97.3 mph.
Technical specifications:
Make Model: Aprilia AF1 Prototipo
| Year | 1985 |
|---|---|
| Engine | Two stroke, single cylinder |
| Capacity | 123 cc / 7.5 cu in |
| Bore x Stroke | 54 x 54.5mm |
| Compression Ratio | 15.5:1 |
| Cooling System | Liquid cooled |
| Induction | Dell’Orto carburetor, 28 mm |
| Max Power | 18.7 kW / 25.1 hp @10000 rpm |
| Max Torque | 17.7 Nm / 1.8 kgf-m / 13.1 lb-ft @ 8000 rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | Telescopic fork, 4-way anti-drive adjustable |
| Rear Suspension | Sebac mono shock |
| Front Brakes | Single 260 mm disc |
| Rear Brakes | Single 240mm disc |
| Front Tyre | 100/80-16 |
| Rear Tyre | 120/80-16 |
| Dry Weight | 120 kg / 265 lbs |
| Wet Weight | 134.6 kg / 297 lbs |
| Fuel Capacity | 22.5 L / 5.9 US gal |
| Consumption Average | 4.4 L/100 km / 22.7 km/l / 53 US mpg |
| Braking 60 km/h / 37 mph – 0 | 12.8 m / 42.0 ft |
| Braking 100 km/h / 62 mph – 0 | 39.9 m / 131 ft |
| Standing 1/4 Mile | 15.9 sec / 129.3 km/h / 80.3 mph |
| Top Speed | 156.6 km/h / 97.3 mph |
