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KTM 125 Duke

Maintenance specs for 1 variant of the KTM 125 Duke — from 2017 to 2026.

2017–2026 KTM 125 Duke

124.7cc Single-Cylinder 4-Stroke Liquid-Cooled (KTM 125) · Chain

15 hp / 12 lb-ft

Engine Oil

Weight10W-50
Capacity1.3 qt
Shop 10W-50 oil

Transmission

Type6-Speed Manual

Coolant

TypeMotorex Anti-Freeze (50/50 premix)
Capacity1.1 qt
Shop coolant

Brake Fluid

TypeDOT 4
Shop DOT 4

Fuel

Tank2.9 gal
TypeRegular 87

Tires

Front110/70R17
Rear150/60R17
Pressure (front)33 PSI
Pressure (rear)36 PSI
Shop 110/70R17 front tiresShop 150/60R17 rear tires

Service Intervals

Oil change4,600 mi
Coolant flush18,600 mi
Brake fluid12,400 mi
Spark plugs9,300 mi
Timingchain (no scheduled replacement)
Air filter4,600 mi
Drive belt4,600 mi