Yamaha YZF-R1 98 Service Manual page 393

• Does the therm o sw itch operate prop-
erly as described above?
YES
7.Tem perature sender
• Rem ove the tem perature sender from
the radiator.
• Connect the pocket tester (Ω × 10) to the
tem perature sender 1 as show n.
• Im m erse the tem perature sender in a
container filled w ith w ater 2.
• Place a therm om eter 3 in the w ater.
• Slow ly heat the w ater, then let it cool
dow n to the specified tem perature.
• Check the tem perature sender for conti-
nuity at the tem peratures indicated
below .
Temperature sender resistance
47.5 ~ 56.8 Ω at 80 ˚C
16.5 ~ 20.5 Ω at 115 ˚C
NO
Replace the therm o
sw itch.
COOLING SYSTEM
WARNING
WARNING
Handle the temperature sender w ith spe-
cial care.
Never subject the temperature sender to
strong shocks. If the temperature sender
is dropped, replace it.
Temperature sender
15 Nm (1.5 m • kg)
Three bond sealock
EB807403
8.Wiring
• Check the entire cooling system 's w ir-
ing.
Refer to " CIRCUIT DIAGRAM " .
• Is the cooling system 's w iring properly
connected and w ithout defects?
This circuit is OK.
8 - 47
ELEC
®
10
YES
Replace the tem per-
ature sender.
YES
Properly
or repair the cool-
ing system 's w ir-
ing.
– +
NO
NO
connect