KTM 390 Duke Series 2019 Owner's Manual page 168

14 WHEELS, TIRES
166
Info
The type, condition, and pressure of the tires all have a major impact on the handling characteristic of the
motorcycle.
Worn tires have a negative effect on handling characteristics, especially on wet surfaces.
400602-10
–
Check the front and rear tires for cuts, run-in objects, and
other damage.
» If the tires have cuts, run-in objects, or other damage:
–
Change the tires.
–
Check the tread depth.
Info
Observe the minimum tread depth required by national
law.
Minimum tread depth
» If the tread depth is less than the minimum tread depth:
–
Change the tires.
≥ 2 mm (≥ 0.08 in)