Suzuki UF50 Service Manual page 140

6-22 ELECTRICAL SYSTEM
CARBURETOR HEATER
Remove the trunk. (
Disconnect the carburetor heater lead wire and remove the
carburetor heater 1.
Measure the resistance between the terminals using the multi
circuit tester. If the resistance is not within the specified value,
replace the carburetor heater with a new one.
09900-25008: Multi circuit tester set
Tester knob indication: Resistance (Ω Ω Ω Ω Ω )
Standard resistance: 8 – 18 Ω Ω Ω Ω Ω
NOTE:
This check should be carried out when the engine is cold.
THERMOSWITCH
Remove the upper fuel tank cover. (
Disconnect the thermoswitch coupler and remove the
thermoswitch 1.
The temperature at which the thermoswitch closes must be within
specification. Measure the closing temperature of the thermoswitch
as follows.
Connect the thermoswitch to the multi circuit tester and place
it in a container of water. Cool the water with ice 2 and ob-
serve the temperature when the thermoswitch closes.
09900-25008: Multi circuit tester set
Tester knob indication: Continuity test (
Thermoswitch specification:
OFF → → → → → ON: Below 3 – 9°C
ON → → → → → OFF: Above 10 – 16°C
5-4)
5-5)
)
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