Yamaha MX775 - CHECKING THE STARTER MOTOR OPERATION

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ELECTRICAL
ELECTRICAL COMPONENTS
c. Measure the fuel injector resistance.
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CHECKING THE STARTER MOTOR OPERATION
1. Check:
• Starter motor operation
Does not operate  Perform the electric starting
system troubleshooting, starting with step 4.
(Refer to “ELECTRIC STARTING SYSTEM” on
page 6-2)
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a. Connect the jumper lead “1” to the starter relay ter-
minals on the battery side and the starter motor
side.
b. Check the starter motor operation.
c. Disconnect the main switch coupler.
d. Connect the jumper lead “1” to the starter relay
coupler.
e. Check the starter motor operation.
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Model 88 Multimeter with tachometer:
YU-A1927
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• Positive tester probe 
Injector terminal “1”
• Negative tester probe 
Injector terminal “2”
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• A wire that is used as a jumper lead must have at
least the same capacity of the battery lead, other-
wise the jumper lead may burn.
• This check is likely to produce sparks, therefore,
make sure no flammable gas or fluid is in the vicin-
ity.
WARNING
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