Yamaha FX High Output WaveRunner 2008 Owner's/Operator's Manual page 102

Trouble recovery
TROUBLE
Engine runs irregu-
larly or stalls
Warning light or in-
dicator blinks
Watercraft slow or
loses power
97
POSSIBLE CAUSE
Fuel Empty
Stale or contaminat-
ed
Fuel tank Water or dirt present
Spark plug Fouled or defective
Incorrect heat range
Gap incorrect
Spark plug Loose
cap
Cracked, torn, or
damaged
Electrical wir- Loose connection
ing
Fuel injec- Faulty or clogged in-
tion system jectors
Fuel level Empty
Engine over- Jet intake clogged
heated
Check engine Faulty sensors
warning
Yamaha Se- Low-RPM mode se-
curity System lected
Cavitation Jet intake clogged
Impeller damaged or
worn
Engine over- Engine speed reduc-
heat warning tion control activated
Oil pressure Engine speed reduc-
warning tion control activated
Spark plug Fouled or defective
Incorrect heat range
Gap incorrect
Spark plug Loose
caps
Electrical wir- Loose connection
ing
Fuel Stale or contaminat-
ed
Air filter Clogged
Oil buildup
REMEDY
Refill as soon as pos-
sible
Have serviced by
Yamaha dealer
Have serviced by
Yamaha dealer
Replace
Replace
Adjust
Connect properly
Have serviced by
Yamaha dealer
Have serviced by
Yamaha dealer
Have serviced by
Yamaha dealer
Refill as soon as pos-
sible
Clean
Have serviced by
Yamaha dealer
Select normal mode
Clean
Have serviced by
Yamaha dealer
Clean jet intake and
cool engine
Add oil
Replace
Replace
Adjust
Connect properly
Have serviced by
Yamaha dealer
Have serviced by
Yamaha dealer
Clean or replace
Replace
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