These are the known mechanical and performance specifications for your 2007 Derbi Dirt Boy.
Basic Specs
Engine
Displacement49.90 ccm (3.04 cubic inches)
Type
DetailsSingle cylinder, four-stroke
Max RPM
Compression12.0:1
Bore/Stroke39.0 x 41.0 mm (1.5 x 1.6 inches)
Valves/Cylinder
Fueling
IgnitionCDI
Exhaust
LubricationOil pump
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity2.30 litres (0.61 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length1,290 mm (50.8 inches)
Total Width590 mm (23.2 inches)
Ground Clearance
Wheelbase905 mm (35.6 inches)
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc
Front Brake Diameter160 mm (6.3 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments
Intended for children.