Yamaha YBR125ED 2005 Service Manual page 303

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EAS00823
4. Thermo switch
• Remove the thermo switch from the wire
harness.
• Connect the pocket tester (Ω × 1) to the
thermo switch 1 as shown.
• Immerse the thermo switch in a container
filled with water 2.
• Place a thermometer 3 in the water.
• Slowly heat the water, then let it cool down
to the specified temperature.
• Check the thermo switch for continuity at
the temperatures indicated below.
È The thermo switch circuit closed.
É The thermo switch circuit open.
Test step
Water temperature
Less than 16 ± 3 °C
1
(60.8 ±-0.D-0.00Tc[(YE)5c[1.4Tw( Tc2l[1.40).7(W)5.1(ol do).
( 6 0 .
CARBURETOR HEATING SYSTEM
Continu-
ity
7 - 44
ELEC
YES
+
NO

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