Yamaha YBR125ED 2005 Service Manual page 304

EAS00824
5. Carburetor heater
• Remove the carburetor heater from the
carburetor.
• Connect the pocket tester to the carbure-
tor heater as shown.
Positive tester probe →
carburetor heater terminal 1
Negative tester probe →
carburetor heater body 2
• Measure the carburetor heater resistance.
Carburetor heater resistance
4.44 ~ 9.21 Ω at 20 °C (68 °F)
• Is the carburetor heater OK?
YES
CARBURETOR HEATING SYSTEM
NO
Replace the carbure-
tor heater.
EAS00826
6. Wiring
• Check the entire carburetor heating sys-
tem's wiring.
Refer to "CIRCUIT DIAGRAM".
• Is the carburetor heating system's wiring
properly connected and without defects?
7 - 45
ELEC
YES
Properly connect or
repair the carburetor
heating system's wir-
ing.
– +
NO