Yamaha XVS650 Service Manual page 317

CARBURETOR HEATER SYSTEM
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ELEC
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d
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• Measure the heater resistance.
iiM
Carburetor heater resistance:
12V15W : 6 - 12
Q
at 20°C (68°F)
12V30W: 6 - 10
Q
at 20°C (68°F)
~
CORRECT
1.Wiring connection
• Check the connections of the carburetor
heater system.
Refer to "CIRCUIT DIAGRAM".
INCORRECT
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Replace carbu retor heater.
POOR CONNECTION
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Properly connect the carburetor heater
system.