Yamaha 2009 YZF-R1Z Owner's Manual page 22

INSTRUMENT AND CONTROL FUNCTIONS
NOTICE
Do not continue to operate the en-
gine if it is overheating.
TIP
G For radiator-fan-equipped vehi-
cles, the radiator fan(s) automati-
cally switch on or off according to
the coolant temperature in the ra-
4 diator.
G If the engine overheats, see page
7-41 for further instructions.
ECA10021
4-6