Yamaha TTR90(M), Руководство по эксплуатации для владельца

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6 - 8
– +
ELEC
CARBURETOR HEATING SYSTEM
Å
The thermo switch circuit is open.
ı
The thermo switch circuit is closed.
Test step Water temperature
Continu-
ity
1
Less than 23
±
3 ˚C
(73.4
±
5.4 ˚F)
YES
2
More than 23
±
3 ˚C
(73.4
±
5.4 ˚F)
NO
3
More than 12
±
4 ˚C
(53.6
±
7.2 ˚F)
NO
4
Less than 12
±
4 ˚C
(53.6
±
7.2 ˚F)
YES
Test steps 1 & 2: Heating phase
Test steps 3 & 4: Cooling phase
●
Check the thermo switch operation.
WARNING
●
Handle the thermo switch with special
care.
●
Never subject the thermo switch to
strong shocks. If the thermo switch is
dropped, replace it.
CARBURETOR HEATER INSPECTION
1. Inspect:
●
Carburetor heater resistance
Out of specification
→
Replace.
Tester (+) probe
→
carburetor heater terminal 1
Tester (–) probe
→
carburetor heater body 2
Carburetor heater resistance:
6 ~ 10
Ω
at 20 ˚C (68 ˚F)