INSTRUMENT AND CONTROL FUNCTIONS
3-4
3
EAU00101
Tachometer The electric tachometer allows the rider
to monitor the engine speed and keep it
within the ideal power range.
EC000003
CAUTION:@ Do not operate the engine in the ta-
chometer red zone.
Red zone: 9,500 r/min and above @
EAU01559
Self-diagnosis device This model is equipped with a self-di-
agnosis device for the following electri-
cal circuits:
throttle position sensor
ignition system
If any of those circuits are defective,
the tachometer will repeatedly display
the following error code:
CB-17EUse the table below to identify the
faulty electrical circuit.CB-18E
If the tachometer displays such an er-
ror code, note the circuit-specific num-
ber of r/min, and then have a Yamaha
dealer check the motorcycle.
EC000004
CAUTION:@ When the tachometer displays an
error code, the motorcycle should
be checked as soon as possible in
order to avoid engine damage. @
1. Tachometer
2. Tachometer red zone
Specific r/min
Faulty electrical circuit
10,000 r/min
Throttle position sensor
9,000 r/min
Ignition system
0 r/min for
3 seconds
Circuit-specific
number of r/min
for 3 seconds
(See the table
below.)
Current
engine
speed for
3 seconds
E_4km.book Page 4 Tuesday, August 28, 2001 9:51 AM
