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INSTRUMENT AND CONTROL FUNCTIONS
3-14
3
CAUTION:
ECA10120
Always tighten the locknut against
the adjusting nut, and then tighten
the locknut to the specified torque.
WARNING
EWA10220
This shock absorber contains highly
pressurized nitrogen gas. For prop-
er handling, read and understand
the following information before
handling the shock absorber. The
manufacturer cannot be held re-
sponsible for property damage or
personal injury that may result from
improper handling.
● Do not tamper with or attempt to
open the gas cylinder.
● Do not subject the shock ab-
sorber to an open flame or other
high heat sources, otherwise it
may explode due to excessive
gas pressure.
● Do not deform or damage the
gas cylinder in any way, as this
will result in poor damping per-
formance.
● Always have a Yamaha dealer
service the shock absorber.
EAU15281
EXUP system
This model is equipped with Yamaha’s
EXUP (EXhaust Ultimate Power valve)
system. This system boosts engine
power by means of a valve that regu-
lates the diameter of the exhaust pipe.
The EXUP system valve is constantly
adjusted in accordance with the engine
speed by a computer-controlled servo-
motor.
CAUTION:
ECA10191
● The EXUP system has been set
and extensively tested at the
Yamaha factory. Changing
these settings without sufficient
technical knowledge may result
in poor performance of or dam-
age to the engine.
● If the EXUP system cannot be
heard when the main switch is
turned on, have a Yamaha deal-
er check it.
U29S10E0.book Page 14 Friday, May 18, 2007 1:53 PM