These are the known mechanical and performance specifications for your 2006 Derbi Variant Start.
Basic Specs

Engine
Displacement49.90 ccm (3.04 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression9.5:1
Bore/Stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity3.10 litres (0.82 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length1,820 mm (71.7 inches)
Total Width
Ground Clearance
Wheelbase1,200 mm (47.2 inches)
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front Brakes
Front Brake Diameter
Rear Brakes
Rear Brake Diameter
Wheels
Comments