Yamaha FZR400 1988-1989 Service Manual page 360

2. Therm0 unit
Remove the therm0 unit.
??
?? immerse the therm0 unit @ in coolant 0.
?? Measure the resistance at each temperature
as tabulated.
Coolant
Temoerature
I
50°C (122" F)
80°C (178" F)
100°C (212" F)
120°C (248" F)
the therm0 unit, install the
measuring
unit.
Resistance
47 - 57fl
26 - 29~2
8-66
SIGNAL SYSTEM -1
Handle the therm0 unit with special care.
Never subject it to strong or allow it to
be dropped. Should it be dropped, it
must be replaced.
Avoid overtightening.