These are the known mechanical and performance specifications for your 2009 Hyosung GT 250R EFI.
Basic Specs

Engine
Displacement249.00 ccm (15.19 cubic inches)
Type
DetailsV2, four-stroke
Max RPM
Compression9.6:1
Bore/Stroke
Valves/Cylinder4
FuelingInjection
Ignition
Exhaust
Lubrication
CoolingAir
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity17.00 litres (4.49 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension41mm USD Forks
Front Travel
Rear SuspensionMono Shock, Pre-Load Adjustable
Rear Travel
Seat
Seat Height780 mm (30.7 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length2,060 mm (81.1 inches)
Total Width
Ground Clearance
Wheelbase1,435 mm (56.5 inches)
Dry Weight168.0 kg (370.4 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre110/70-17
Rear Tire/Tyre150/70-17
Front BrakesDouble disc. 2-piston calipers
Front Brake Diameter
Rear BrakesSingle disc
Rear Brake Diameter
Wheels
Comments