KTM 250 EXC
Maintenance specs for 1 variant of the KTM 250 EXC — from 1990 to 2026.
1990–2026 KTM 250 EXC
249cc Single-Cylinder 2-Stroke Liquid-Cooled (250 EXC) · Chain
40 hp / lb-ft
Transmission
Type6-Speed Manual (gearbox oil)
FluidMotorex Gear Oil 10W-30
Drain & fill0.85 qt
Fuel
Tank2.4 gal
TypePremium 91 + 2-stroke oil injection (TPI) or premix
Tires
Front90/90-21
Rear140/80R18
Pressure (front)12 PSI
Pressure (rear)12 PSI
Service Intervals
Trans service450 mi
Coolant flush2,200 mi
Spark plugs900 mi
Air filter225 mi
Drive belt900 mi