Yamaha YFM25RY Automobile User Manual


 
ELECTRICAL COMPONENTS
7-40
b. Measure the pickup coil resistance.
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EAS28940
CHECKING THE STARTER MOTOR OPERA-
TION
1. Check:
Starter motor operation
Does not operate Perform the electric
starting system troubleshooting, starting
with step 4.
Refer to “TROUBLESHOOTING” on page
7-9.
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a. Connect the positive battery terminal “1”
and starter motor lead “2” with a jumper
lead “3”.
WARNING
EWA13810
A wire that is used as a jumper lead must
have at least the same capacity of the bat-
tery lead, otherwise the jumper lead may
burn.
This check is likely to produce sparks,
therefore, make sure no flammable gas or
fluid is in the vicinity.
b. Check the starter motor operation.
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EAS28150
CHECKING THE STATOR COIL
1. Disconnect:
Stator coil coupler
(from the wire harness)
2. Check:
Stator coil resistance
Out of specification Replace the stator
coil.
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a. Connect the pocket tester ( × 1) to the
stator coil coupler as shown.
b. Measure the stator coil resistance.
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Stator coil resistance
0.688–1.032 (W–W)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
Positive tester probe
White “1”
Negative tester probe
White “2”
Positive tester probe
White “1”
Negative tester probe
White “3”
Positive tester probe
White “2”
Negative tester probe
White “3”