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Trouble recovery
90
Engine runs irregu-
larly or stalls
Fuel Empty Refill as soon as pos-
sible
47
Stale or contaminat-
ed
Have serviced by
Yamaha dealer
79
Fuel tank Water or dirt present Have serviced by
Yamaha dealer
79
Spark plug Fouled or defective Replace 83
Incorrect heat range Replace 83
Gap incorrect Adjust 83
Spark plug
cap
Loose Connect properly 83
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
47
Engine over-
heated
Jet intake clogged Clean
91
Check engine
warning
Faulty sensors Have serviced by
Yamaha dealer
42
Watercraft slow or
loses power
Cavitation Jet intake clogged Clean 91
Impeller damaged or
worn
Have serviced by
Yamaha dealer
91
Engine over-
heat warning
Engine speed reduc-
tion control activated
Clean jet intake and
cool engine
41
Oil pressure
warning
Engine speed reduc-
tion control activated
Add oil
41
Spark plug Fouled or defective Replace 83
Incorrect heat range Replace 83
Gap incorrect Adjust 83
Spark plug
caps
Loose Connect properly
83
Electrical wir-
ing
Loose connection Have serviced by
Yamaha dealer
—
Fuel Stale or contaminat-
ed
Have serviced by
Yamaha dealer
79
Air filter Clogged Clean or replace 80
Oil buildup Replace 80
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF1Y12E0.book Page 90 Wednesday, June 13, 2007 1:05 PM
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