These are the known mechanical and performance specifications for your 2005 KTM 125 SX.
Basic Specs

Engine
Displacement124.80 ccm (7.62 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Valves/Cylinder
FuelingCarburettor. Keihin PWK 39
IgnitionKokusan digital 2K-1
Exhaust
LubricationMixture oil lubrication 1:40
CoolingLiquid
Drivetrain
Gearbox5-speed
Final DriveChain
ClutchWet multi-disc clutch, operated hydraulically
Driveline
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity7.50 litres (1.98 gallons)
Emissions
Chassis
Frame TypeChromium molybdenum
Rake27.0°
Trail120 mm (4.7 inches)
Front SuspensionWP-USD 48 mm (1.89 inch.)
Front Travel300 mm (11.8 inches)
Rear SuspensionWP-PDS-DA shock absorber
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)
Wheelbase1,471 mm (57.9 inches)
Dry Weight92.4 kg (203.7 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc
Front Brake Diameter216 mm (8.5 inches)
Rear BrakesSingle disc
Rear Brake Diameter260 mm (10.2 inches)
Wheels
Comments