Exup system -14, Instrument and control functions, Exup system – Yamaha STAR XV19CX(C) User Manual

Page 31

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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

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