INSTRUMENT AND CONTROL FUNCTIONS
Diagnosis device
This model is equipped with a diagno-
sis device for the following circuits.
Throttle Position Sensor (T.P.S.)
Ignition circuit
If some trouble should occur in any of
these circuits, the tachometer will re-
3
peatedly display as follows:
CB-72E
0 r/min for
Specified
r/min for the
3 seconds
faulty circuit
for 3 sec-
onds (see
chart below)
Use this chart to identify what circuit is
faulty according to the specified r/min
displayed.
CB-73E
Specified r/min Faulty circuit
Throttle Position Sensor
10,000 r/min
(T.P.S.)
9,000 r/min
Ignition circuit
EAU01559*
If the tachometer displays as described
above, take note of the specified r/min
and then take your motorcycle to a
Yamaha dealer for repair.
CAUTION:
@
To prevent engine damage, be sure
to consult a Yamaha dealer as soon
as possible if the tachometer dis-
plays a repeated change in r/min.
Current en-
@
gine r/min for
3 seconds
Antitheft alarm (optional)
An antitheft alarm can be equipped to
this motorcycle. Consult your Yamaha
dealer to obtain and install the alarm.
EC000004
3-7
EAU00109