Tires - Yamaha TT-R90(W) Owner's Manual

Tires

To maximize the performance, durabil-
ity, and safe operation of your motor-
cycle, note the following
regarding the specified tires.
Tire air pressure
The tire air pressure should be checked
and, if necessary, adjusted before each
ride.
WARNING
G
The tire air pressure must be
checked and adjusted on cold
tires (i.e., when the temperature
of the tires equals the ambient
temperature).
G
The tire air pressure must be ad-
justed in accordance with the
weight of the rider, the riding
speed, and the riding condi-
tions.
Standard tire air pressure:
Front:
100 kPa (15 psi) (1.00 kgf/cm²)
Rear:
100 kPa (15 psi) (1.00 kgf/cm²)
PERIODIC MAINTENANCE AND MINOR REPAIR
EAU39820 Tire inspection
points
1. Tire sidewall
EWA14380
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 sidewall is
cracked, have a Yamaha dealer re-
place the tire immediately.
Minimum tire tread depth (front and
rear):
4.0 mm (0.16 in)
Tire information
This motorcycle is equipped with spoke
wheels and tube tires.
G
2
1
G
G
6-15
WARNING
The front and rear tires should
be of the same make and de-
sign, otherwise the handling
characteristics of the vehicle
cannot be guaranteed.
After extensive tests, only the
tires listed below have been ap-
proved for this model
Yamaha Motor Co., Ltd.
Front tire:
Size:
2.50-14 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY
Rear tire:
Size:
3.00-12 4PR
Manufacturer/model:
CHENG SHIN/KNOBBY
WARNING
Have a Yamaha dealer replace
excessively worn tires. Operat-
ing the motorcycle with exces-
EWA10460
by
6
EWA14390