These are the known mechanical and performance specifications for your 2007 Keeway Supershadow.
Basic Specs

Engine
Displacement248.00 ccm (15.13 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression9.4:1
Bore/Stroke49.0 x 0.0 mm (1.9 x inches)
Valves/Cylinder
Fueling
IgnitionCDI
Exhaust
Lubrication
Cooling
Performance
Horespower17.70 HP (12.9 kW)
Torque16.00 Nm (1.6 kgf-m or 11.8 ft.lbs)
Top Speed115.0 km/h (71.5 mph)
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity9.00 litres (2.38 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,145 mm (45.1 inches)
Total Length2,225 mm (87.6 inches)
Total Width762 mm (30.0 inches)
Ground Clearance165 mm (6.5 inches)
Wheelbase1,540 mm (60.6 inches)
Dry Weight140.0 kg (308.6 pounds)
Wet Weight150.0 kg (330.7 pounds)
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments
Battery 12v3ah