These are the known mechanical and performance specifications for your 2003 KTM 125 SX.
Basic Specs
Engine
Displacement124.80 ccm (7.62 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke45.0 x 40.8 mm (1.8 x 1.6 inches)
Valves/Cylinder
FuelingCarburettor
Ignition
Exhaust
Lubrication
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity7.50 litres (1.98 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel300 mm (11.8 inches)
Rear Suspension
Rear Travel335 mm (13.2 inches)
Seat
Seat Height925 mm (36.4 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance390 mm (15.4 inches)
Wheelbase1,461 mm (57.5 inches)
Dry Weight93.6 kg (206.4 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre80/100-21
Rear Tire/Tyre100/90-19
Front BrakesSingle disc
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Diameter220 mm (8.7 inches)
Wheels
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