KTM 85 SX
Maintenance specs for 1 variant of the KTM 85 SX — from 1998 to 2026.
1998–2026 KTM 85 SX
84.9cc Single-Cylinder 2-Stroke Liquid-Cooled MX (85 SX) · Chain
22 hp / lb-ft
Transmission
Type6-Speed Manual (gearbox oil)
FluidMotorex Top Speed 4T 15W-50
Drain & fill0.53 qt
Fuel
Tank1.4 gal
TypePremium 95 RON + 2-stroke oil premix (40:1)
Tires
Front70/100-19
Rear90/100-16
Pressure (front)12 PSI
Pressure (rear)12 PSI
Service Intervals
Trans service300 mi
Coolant flush1,500 mi
Spark plugs600 mi
Air filter150 mi
Drive belt600 mi