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Trouble recovery
88
Engine runs irregu-
larly or stalls
Fuel Fuel tank empty Refill as soon as pos-
sible
48
Stale or contaminat-
ed
Have serviced by
Yamaha dealer
—
Fuel tank Water or dirt present Have serviced by
Yamaha dealer
—
Spark plug Fouled or defective Have serviced by
Yamaha dealer
—
Incorrect heat range Have serviced by
Yamaha dealer
—
Gap incorrect Have serviced by
Yamaha dealer
—
Electrical wir-
ing
Loose connection Have serviced by
Yamaha dealer
—
Fuel injec-
tion system
Faulty or clogged in-
jectors
Have serviced by
Yamaha dealer
—
Warning light or in-
dicator blinks or
comes on
Fuel level
warning
Fuel tank empty Refill as soon as pos-
sible
48
Oil pressure
warning
Oil pressure dropped Have serviced by
Yamaha dealer
40
Engine over-
heat warning
Jet intake clogged Clean
90
Check en-
gine warning
Faulty sensors Have serviced by
Yamaha dealer
41
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF4L11E0.book Page 88 Monday, June 24, 2019 2:27 PM
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