Prototype - Concept Model · 2007
Cra07
Technical Overview
2007 Derbi Cra07 Technical Analysis & Specification Breakdown
At the heart of the 2007 Derbi Cra07 prototype - concept model motorcycle, Derbi utilizes a 49 cc (3 cu in) liquid-cooled single cylinder, four-stroke layout. Internal engine geometry specifies a 12.5:1 compression ratio.
Rider ergonomics and chassis geometry center around a 1,365 mm (53.7 in) wheelbase engineered for quick, flickable steering geometry. The 9-liter (2.4 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Engine
Displacement 49.0 ccm (2.99 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, four-stroke
Compression 12.5:1
Fuel System Carburettor. Keihin CVK 306 B
Lubrication Wet housing
Cooling Liquid
Transmission
Final Drive Shaft drive (cardan) (final drive)
Clutch Automatic
Chassis
Wheelbase 1365 mm (53.7 inches)
Wheels & Brakes
Front Tyre 110/70-15
Rear Tyre 130/80-15
Front Brakes Single disc
Front Brake Ø 260 mm (10.2 inches)
Rear Brakes Single disc
Rear Brake Ø 220 mm (8.7 inches)
Dimensions & Weight
Overall Length 1970 mm (77.6 inches)
Fuel Capacity 9.00 litres (2.38 US gallons)
Other
Starter Electric
Color Options White/grey
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