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INSTRUMENT AND CONTROL FUNCTIONS
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x1000r/min
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4
1. Warning light
2. Oil level symbol “ ”
3. Coolant temperature symbol “ ”
4. Engine trouble symbol “ ”
EAU01564
Warning light
This indicator light has three functions.
●
The light will come on and symbol
“ ” will flash if the engine oil
level is low.
If this symbol flashes, stop the en-
gine immediately and fill it with oil
to the specified level.
●
The light will come on and symbol
“ ” will flash if trouble occurs in
a monitoring circuit. In such a
case, take the motorcycle to a
Yamaha dealer to have the self-
diagnostic systems checked.
●
The light will come on and symbol
“ ” will flash if the coolant tem-
perature is too high. The following
chart shows the conditions of the
indicator light, symbol and tem-
perature display in accordance to
coolant temperature.
The light circuit can be checked by the
procedure on page 1-6.
EC000118
CAUTION:
●
Do not run the motorcycle until
you know it has sufficient en-
gine oil.
●
Do not run the motorcycle if the
engine is overheated.
NOTE:
Even if the oil is filled to the specified
level, the indicator light may flicker
when riding on a slope or during sud-
den acceleration or deceleration, but
this is normal.
CB-74ECB-74E
Coolant
temperature
Display Conditions What to do
~ 39 ˚C
Symbol is on and “LO” is
displayed.
OK. Go ahead with riding.
40 ˚C ~ 120 ˚C
Symbol is on and temper-
ature is displayed.
OK. Go ahead with riding.
121 ˚C ~ 139 ˚C
Symbol and temperature
flash.
Warning light comes on.
Stop the motorcycle and al-
low it to idle until coolant tem-
perature goes down.
If the temperature does not
go down, stop the engine.
140 ˚C ~
Symbol and message
“HI” flash.
Warning light comes on.
Stop the engine and allow it
to cool. Seen page 1-19 if the
engine overheats.
—
Symbol and message
“Err” flash.
Warning light comes on.
Ask a Yamaha dealer to in-
spect the motorcycle.
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