Built around Derbi's scooter motorcycle platform, the 2004 Derbi Atlantis features a 49.9 cc (3 cu in) air-cooled single cylinder, two-stroke configuration. Internal engine geometry specifies a bore and stroke of 40.0 x 39.3 mm (1.6 x 1.5 inches) with a 10.5:1 compression ratio.
Rider ergonomics and chassis geometry center around a 1,265 mm (49.8 in) wheelbase engineered for quick, flickable steering geometry. The 7-liter (1.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Derbi archive, this model family spans 2 indexed model years from 2004 to 2005, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement49.9 ccm (3.04 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Compression10.5:1
Bore x Stroke40.0 x 39.3 mm (1.6 x 1.5 inches)
Fuel SystemCarburettor
CoolingAir
Chassis
Front SuspensionHydraulic fork, 25 mm
Front Travel65 mm (2.6 inches)
Rear SuspensionLinear single absorber
Rear Travel60 mm (2.4 inches)
Wheelbase1265 mm (49.8 inches)
Wheels & Brakes
Front Tyre120/70-17
Rear Tyre120/70-17
Front BrakesSingle disc
Front Brake Ø190 mm (7.5 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Ø110 mm (4.3 inches)
Dimensions & Weight
Overall Height1115 mm (43.9 inches)
Overall Length1810 mm (71.3 inches)
Overall Width675 mm (26.6 inches)
Fuel Capacity7.00 litres (1.85 US gallons)
Other
Color OptionsYellow,Black, Grey, Light blue, Dark blue
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
