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Tire Service Life
The service life of your tires is dependent on
many factors, including, but not limited to,
riding habits, road conditions, vehicle loading,
tire air pressure, maintenance history, speed,
and environmental conditions (even when the
tires are not in use).
In addition to your regular inspections and
maintenance, it is recommended that you have
annual inspections performed once the tires
reach 5 years old. It is also recommended that
all tires be removed from service after 10 years
from the date of manufacture, regardless of
their condition or state of wear.
The last four digits of the TIN (tire identification
number) indicate the date of manufacture.
#
Tire Identification Number (TIN)
The tire identification number (TIN) is a group
of numbers and letters located on the sidewall
of the tire.
a b c
DOT XXXX XXXX 22 09
DOT: This indicates that the tire meets all
requirements of the U.S.
Department of Transportation.
a XXXX:
Factory code
b XXXX:
Tire type code
c 22 09:
Date of manufacture (week & year).
Example: week 22 in year 09.
20180125134256_31MKL6000_enu_BOOK Page 96 Thursday, January 25 2018 13:52:25 JST
Maintenance Fundamentals
Maintenance
93
Tire Labeling Example
Tire identification
number (TIN)
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