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Trouble recovery
89
Engine runs irregu-
larly or stalls
Fuel Empty Refill as soon as pos-
sible
51
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
—
Spark plug
cap
Not connected or
loose
Have serviced by
Yamaha dealer
—
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 or
comes on
Fuel level Empty Refill as soon as pos-
sible
51
Oil pressure
warning
Oil pressure dropped Have serviced by
Yamaha dealer
43
Engine over-
heated
Jet intake clogged Clean
91
Check engine
warning
Faulty sensors Have serviced by
Yamaha dealer
44
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF2N12E0.book Page 89 Monday, July 4, 2011 3:25 PM