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Trouble recovery
99
Engine runs irregu-
larly or stalls
Fuel Empty Refill as soon as pos-
sible
57
Stale or contaminat-
ed
Have serviced by
Yamaha dealer
89
Fuel tank Water or dirt present Have serviced by
Yamaha dealer
89
Spark plug Fouled or defective Replace 92
Incorrect heat range Replace 92
Gap incorrect Adjust 92
Spark plug
cap
Loose Connect properly 92
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
57
Oil pressure
warning
Oil pressure dropped Have serviced by
Yamaha dealer
49
Engine over-
heated
Jet intake clogged Clean
101
Check engine
warning
Faulty sensors Have serviced by
Yamaha dealer
50
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF1W11E0.book Page 99 Tuesday, May 27, 2008 8:50 AM