The Aprilia Atlantic 400 Sprint was a 2007-09 motorcycle with a four-stroke, single-cylinder, liquid-cooled engine and a 399cc capacity. It had a high-strength tubular steel frame with a closed double cradle and a CVT transmission, with a final V-belt drive. The front suspension had hydraulic forks with a 35mm diameter and 105mm of travel, while the rear suspension used the engine as a swingarm and had two gas-filled shock absorbers with 5-position spring preload adjustments and 90mm of travel. The front and rear brakes were single-disc, with 260mm and 190mm diameters, respectively. The engine had a compression ratio of 10.5:1 and was electronically fuel injected, with electronic CDI ignition and a 12V, 380W alternator. The maximum power output was 25.3 kW / 34 hp at 7500 rpm, and the maximum torque was 37 Nm / 3.8 kgf-m / 27.3 lb-ft at 5500 rpm. The motorcycle was designed for urban use and commuting.
Technical specifications:
Make Model: Aprilia Atlantic 400 Sprint
| Year | 2007 – 09 |
|---|---|
| Engine | Four stroke, single cylinder, SOHC, 4 valves |
| Capacity | 399 cc / 24.3 cu in |
| Bore x Stroke | 86 x 69 mm |
| Compression Ratio | 10.5:1 |
| Cooling System | Liquid cooled |
| Lubrication | Wet sump, forced with mechanical oil pump |
| Induction | Electronic fuel injection. |
| Ignition | Electronic CDI with automatic advance |
| Starting | Electric |
| Alternator | 12V, 380W |
| Max Power | 25.3 kW / 34 hp @ 7500 rpm |
| Max Torque | 37 Nm / 3.8 kgf-m / 27.3 lb-ft @ 5500 rpm |
| Transmission | CVT |
| Final Drive | V-belt |
| Frame | High-strength tubular steel frame with closed double cradle. |
| Front Suspension | Hydraulic fork, ~A35 mm |
| Front Wheel Travel | 105 mm / 4.1 in |
| Rear Suspension | Engine acting as swingarm. Two gas filled shock absorbers with 5 position spring preload adjustment. |
| Rear Wheel Travel | 90 mm / 3.5 in |
| Front Brakes | Single ~A260 mm disc |
| Rear Brakes | Single ~A190 mm disc |
