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Trouble recovery
86
Engine runs irregu-
larly or stalls
Fuel Empty Refill as soon as pos-
sible
46
Stale or contaminat-
ed
Have serviced by
Yamaha dealer
77
Fuel tank Water or dirt present Have serviced by
Yamaha dealer
77
Spark plug Fouled or defective Replace 79
Incorrect heat range Replace 79
Gap incorrect Adjust 79
Spark plug
cap
Loose Connect properly 79
Cracked, torn, or
damaged
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
Fuel level Empty Refill as soon as pos-
sible
46
Oil pressure
warning
Oil pressure dropped Have serviced by
Yamaha dealer
41
Engine over-
heated
Jet intake clogged Clean
88
Check engine
warning
Faulty sensors Have serviced by
Yamaha dealer
42
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2R10E0.book Page 86 Friday, October 31, 2008 9:14 AM