Suzuki UG110 2021, Service Manual

Page: 163 / 198

6-22 ELECTRICAL SYSTEM
CARBURETOR HEATER
• Disconnect the carburetor heater terminal lead wire
1
.
Measure the resistance between the terminals using the multi
circuit tester.
#
09900-25008: Multi circuit tester set
)
Tester knob indication: Resistance (
Ω Ω
Ω Ω
Ω
)
&
Carburetor heater resistance
Standard: 8 – 18
Ω Ω Ω Ω Ω
NOTE:
This check should be carried out when the engine is cold.
CARBURETOR THERMO SWITCH
The temperature at which the thermo switch closes must be within
specification. Measure the closing temperature of the thermo
switch as follows.
• Disconnect the carburetor thermo switch.
• Connect the thermo switch to the multi circuit tester and place
it in a container of water. Cool the water with ice
1
and ob-
serve the temperature when the thermo switch closes.
#
09900-25008: Multi circuit tester set
,
Tester knob indication: Continuity test (
-
)
&
Thermo switch specification:
OFF
→
ON: Below 8 – 14°C
ON
→
OFF: Above 13 – 25°C