The Aprilia AF1 125 Sports Pro was a motorcycle model produced in 1992-93. It had a two-stroke, single-cylinder engine with a capacity of 124.7cc and a bore x stroke of 54 x 54.5 mm. The compression ratio was 18:1 and it was cooled by liquid. The Dell’Orto 34mm carburetor was used for induction and the bike featured an electronic ignition system. The maximum power was recorded as 22.3kW or 33hp at 11,000 rpm and the maximum torque was 19.6Nm or 14.5 lb-ft at 10,000rpm. The bike had a six-speed transmission with a chain final drive. The front suspension was an upside-down fork with 40mm diameter and 120mm of travel. The rear suspension featured the Aprilia Progressive System with a hydraulic single-shock absorber and 120mm of travel. The front brakes were single 320mm disc with four-piston calipers and the rear brakes were single 240mm disc with two-piston calipers. The front tyre size was 100/80-17 and the rear was 140/70-17. The seat height was measured to be 800mm or 31.5 inches.
Technical specifications:
Make Model: Aprilia AF1 125 Sport Pro
| Year | 1992 – 93 |
|---|---|
| Engine | Two stroke, single cylinder light alloy and barrel with GILNISIL surface coating |
| Capacity | 124.7 cc / 7.6 cu in |
| Bore x Stroke | 54 x 54.5 mm |
| Compression Ratio | 18:1 |
| Cooling System | Liquid cooled |
| Induction | Dell’Orto 34 mm carburetor |
| Ignition | Electronic |
| Starting | Electric |
| Max Power | 22.3 kW / 33 hp @ 11 000 rpm |
| Max Torque | 19.6 Nm / 2.0 kgf-m / 14.5 lb-ft @ 10000 rpm |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | Upside down fork, 40 mm |
| Front Wheel Travel | 120 mm / 4.7 in |
| Rear Suspension | Aprilia Progressive System with hydraulic single shock-absorber |
| Rear Wheel Travel | 120 mm / 4.7 in |
| Front Brakes | Single 320 mm disc, 4 piston caliper |
| Rear Brakes | Single 240 mm disc, 2 piston caliper |
| Front Tyre | 100/80 -17 |
| Rear Tyre | 140/70 -17 |
| Seat Height | 800 mm / 31.5 in |
