These are the known mechanical and performance specifications for your 2013 Hyosung GV125C.
Basic Specs

Engine
Displacement125.00 ccm (7.63 cubic inches)
Type
DetailsV2, four-stroke
Max RPM
Compression
Bore/Stroke
Valves/Cylinder4
FuelingCarburettor
IgnitionCDI
Exhaust
Lubrication Wet sump
CoolingOil & air
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity14.00 litres (3.70 gallons)
Emissions
Chassis
Frame TypeSteel
Rake
Trail
Front SuspensionTelescopic fork
Front Travel
Rear SuspensionSwing arm with Hydraulic Double shock absorber
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height1,070 mm (42.1 inches)
Total Length2,200 mm (86.6 inches)
Total Width800 mm (31.5 inches)
Ground Clearance140 mm (5.5 inches)
Wheelbase1,490 mm (58.7 inches)
Dry Weight157.0 kg (346.1 pounds)
Wet Weight175.0 kg (385.8 pounds)
Wheels & Brakes
Front Tire/Tyre110/90-16
Rear Tire/Tyre130/90-15
Front BrakesSingle disc
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
Wheels
Comments
Made in South Korea.