Yamaha R15M Owner's Manual page 70

Periodic maintenance and adjustment
Tire inspection
1. Tire sidewall
2. Tire wear indicator
3. Tire tread depth
The tires must be checked before each
ride. If a tire tread shows crosswise
8
lines (minimum tread depth), if the tire
has a nail or glass fragments in it, or if
the sidewall is cracked, contact a
Yamaha dealer immediately and have
the tire replaced.
Minimum tire tread depth (front and
rear):
1.0 mm (0.04 in)
WARNING
 It is dangerous to ride with a
worn-out tire. When a tire tread
begins to show crosswise lines,
have a Yamaha dealer replace
the tire immediately.
 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.
Tire information
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
8-16
ageing. Old and aged tires shall be
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checked by tire specialists to ascertain
their suitability for further use.
WARNING
The front and rear tires should be of
the same make and design, other-
wise the handling characteristics of
the vehicle may be different, which
could lead to an accident.
After extensive tests, only the tires list-
ed below have been approved for this
model by Yamaha.
Front tire:
Size:
100/80-17M/C 52P
Manufacturer/model:
IRC/RX-01F
Rear tire:
Size:
140/70-17M/C 66S
Manufacturer/model:
IRC/RX-01R
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