Prototype - Concept Model · 2007
GPX1
Technical Overview
2007 Derbi GPX1 Technical Analysis & Specification Breakdown
Positioned in Derbi's prototype - concept model motorcycle lineup, the 2007 Derbi GPX1 relies on a 49 cc (3 cu in) liquid-cooled single cylinder, two-stroke powerplant. Internal engine geometry specifies a 10.5:1 compression ratio.
Rider ergonomics and chassis geometry center around a 1,140 mm (44.9 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.
Engine
Displacement 49.0 ccm (2.99 cubic inches)
Engine Type Single cylinder, two-stroke
Engine Details Single cylinder, two-stroke
Compression 10.5:1
Fuel System Carburettor. Dell´Ortho
Ignition CDI
Lubrication Oil pump
Cooling Liquid
Transmission
Final Drive Shaft drive (cardan) (final drive)
Clutch Automatic
Chassis
Wheelbase 1140 mm (44.9 inches)
Wheels & Brakes
Front Tyre 120/80-14
Rear Tyre 150/60-14
Front Brakes Single disc. Ventilated
Front Brake Ø 245 mm (9.6 inches)
Rear Brakes Single disc. Ventilated
Rear Brake Ø 180 mm (7.1 inches)
Dimensions & Weight
Overall Length 1860 mm (73.2 inches)
Overall Width 706 mm (27.8 inches)
Fuel Capacity 7.00 litres (1.85 US gallons)
Other
Starter Electric
Color Options Yellow/black
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