Yamaha MTN690-U 2019 Owner's Manual page 65

Tire inspection
1. Tire sidewall
2. Tire tread depth
The tires must be checked before each
ride. If the center tread depth reaches
the specified limit, if the tire has a nail
or glass fragments in it, or if the side-
wall is cracked, have a Yamaha dealer
replace the tire immediately.
Minimum tire tread depth (front and
rear):
1.6 mm (0.06 in)
TIP
The tire tread depth limits may differ
from country to country. Always com-
ply with the local regulations.
Periodic maintenance and adjustment
EWA10472
WARNING
Have a Yamaha dealer replace
excessively worn tires. Besides
being illegal, operating the vehi-
cle with excessively worn tires
decreases riding stability and
can lead to loss of control.
The replacement of all wheel
and brake-related parts, includ-
ing the tires, should be left to a
Yamaha dealer, who has the
necessary professional knowl-
edge and experience to do so.
Ride at moderate speeds after
changing a tire since the tire
surface must first be "broken
in" for it to develop its optimal
characteristics.
6-16
Tire information
1. Tire air valve
2. Tire air valve core
3. Tire air valve cap with seal
This model is equipped with tubeless
tires and tire air valves.
Tires age, even if they have not been
used or have only been used occasion-
ally. Cracking of the tread and sidewall
rubber, sometimes accompanied by
carcass deformation, is an evidence of
ageing. Old and aged tires shall be
checked by tire specialists to ascertain
their suitability for further use.
WARNING
The front and rear tires should
be of the same make and de-
sign, otherwise the handling
6
EWA10902