Yamaha F100D Owner's Manual page 39

The low oil pressure-warning indicator will
G
light or blink.
The buzzer will sound.
G
If the warning system has activated, stop the
ZMU01828
engine as soon as it is safe to do so. Check
the oil level and add oil as needed. If the oil
level is correct and the warning device does
not switch off, consult your Yamaha dealer.
ECM00101
CAUTION:
Do not continue to run the engine if the
low oil pressure-warning indicator is on.
Serious engine damage could occur.
Basic components
33