Aprilia Atlantic 400 Sprint (2007-09)

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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

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