These are the known mechanical and performance specifications for your 2018 KTM 250 SX.
Basic Specs
Engine
Displacement249.00 ccm (15.19 cubic inches)
TypeReed intake
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Valves/Cylinder
FuelingCarburettor. Mikuni TMX. Kokusan EMS.
IgnitionContactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan
Exhaust
Lubrication
CoolingLiquid
Drivetrain
Gearbox5-speed
Final DriveChain
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Driveline13:48. Primary drive: 26:72. 520 X-ring chain.
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity7.00 litres (1.85 gallons)
Emissions
Chassis
Frame TypeChrome-molybdenum steel central-tube
Rake26.5°
Trail
Front SuspensionWP-USD, AER 48, Ø 48 mm
Front Travel300 mm (11.8 inches)
Rear SuspensionWP shock absorber with linkage
Rear Travel300 mm (11.8 inches)
Seat
Seat Height960 mm (37.8 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance375 mm (14.8 inches)
Wheelbase1,495 mm (58.9 inches)
Dry Weight95.4 kg (210.3 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre
Rear Tire/Tyre
Front BrakesSingle disc. Four-piston calipers.
Front Brake Diameter260 mm (10.2 inches)
Rear BrakesSingle disc. Two-piston calipers.
Rear Brake Diameter220 mm (8.7 inches)
WheelsCNC machined hubs. Excel rims. Wire spoked.
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