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
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
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