Husqvarna Vitpilen 401 2018 Owner's Manual page 175

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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 profile depth required by
national law.
400602-10
Minimum tread depth
» If the tread depth is less than the minimum tread depth:
–
Change the tires.
–
Check the tire age.
Info
The tire date of manufacture is usually contained in
the tire label and is indicated by the last four digits
of the DOT number. The first two digits indicate the
week of manufacture and the last two digits the year
of manufacture.
Husqvarna Motorcycles recommends that the tires be
H01144-10 changed after 5 years at the latest, regardless of the
actual state of wear.
WHEELS, TIRES 15
≥ 2 mm (≥ 0.08 in)
173