These are the known mechanical and performance specifications for your 2021 KTM 125 SX.
Basic Specs
Year2021
MakeKTM
ModelKTM 125 SX
TypeEnduro / offroad
CostUS$ 7399. MSRP depends on country, taxes, accessories, etc.
Engine
Displacement124.8 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
FuelingInjection
IgnitionKokusan EMS
Exhaust
LubricationWet sump
CoolingLiquid
Drivetrain
Gearbox6-speed
Final Drive
ClutchMulti-plate clutch, Brembo hydraulics
Driveline5/8 - x - 1/4 (520) O Ring. Primary drive: 22:72.
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity7.50 litres (1.98 US gallons)
Emissions
Chassis
Frame TypeCentral double-cradle-type 25CrMo4 steel
Rake26.1 deg
Trail
Front SuspensionWP XACT-USD, Ø 48 mm
Front Travel310 mm (12.2 inches)
Rear SuspensionWP XACT Monoshock with linkage
Rear Travel300 mm (11.8 inches)
Seat
Seat Height850 mm (33.5 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance375 mm (14.8 inches)
Wheelbase
Dry Weight87.5 kg (192.9 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre110-17
Rear Tire/Tyre150-17
Front BrakesSingle disc
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Diameter220 mm (8.7 inches)
Wheels
Comments