Yamaha YZFR1X(C) Motorcycle User Manual


 
PERIODIC MAINTENANCE AND MINOR REPAIR
6-22
6
EAU21401
Valve clearance
The valve clearance changes with use,
resulting in improper air-fuel mixture
and/or engine noise. To prevent this
from occurring, the valve clearance
must be adjusted by a Yamaha dealer
at the intervals specified in the periodic
maintenance and lubrication chart.
EAU21750
Tires
To maximize the performance, durabil-
ity, and safe operation of your motor-
cycle, note the following points
regarding the specified tires.
Tire air pressure
The tire air pressure should be checked
and, if necessary, adjusted before each
ride.
WARNING
EWA10500
The tire air pressure must be
checked and adjusted on cold
tires (i.e., when the temperature
of the tires equals the ambient
temperature).
The tire air pressure must be ad-
justed in accordance with the
riding speed and with the total
weight of rider, passenger, car-
go, and accessories approved
for this model.
WARNING
EWA10510
Proper loading of your vehicle is im-
portant for several characteristics of
your vehicle, such as handling,
braking, performance and safety. Do
not carry loosely packed items that
can shift. Securely pack your heavi-
est items close to the center of the
vehicle, and distribute the weight
Tire air pressure (measured on cold
tires):
090 kg (0198 lb):
Front:
250 kPa (36 psi) (2.50 kgf/cm²)
Rear:
290 kPa (42 psi) (2.90 kgf/cm²)
90195 kg (198430 lb):
Front:
250 kPa (36 psi) (2.50 kgf/cm²)
Rear:
290 kPa (42 psi) (2.90 kgf/cm²)
High-speed riding:
Front:
250 kPa (36 psi) (2.50 kgf/cm²)
Rear:
290 kPa (42 psi) (2.90 kgf/cm²)
Maximum load*:
195 kg (430 lb)
* Total weight of rider, passenger, car-
go and accessories
U4C811E0.book Page 22 Thursday, June 7, 2007 2:38 PM