2009 YAMAHA SVHO service

Trouble recovery
92
EJU34560
Troubleshooting
If you have any trouble with your watercraft, use this section to check for the possible cause.
If you cannot find the cause, or if the procedure for replacement or repair is not described in
this owner’s/operator’s manual, have a Yamaha dealer perform the necessary service.
EJU36982Troubleshooting chart
TROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine does not
start (Starter motor
does not turn over)Yamaha Se-
curity SystemLock mode selected Select unlock mode
35
Engine shut-
off switchClip not in place Install clip
27
Fuse Burned out Replace fuse and
check wiring96
Battery Run down Recharge 89
Poor terminal con-
nectionsTighten as required
89
Terminal corroded Clean 79
Starter motor Faulty Have serviced by
Yamaha dealer—
Engine does not
start (Starter motor
turns over)Throttle lever Squeezed Release 28
Fuel Empty Refill as soon as pos-
sible52
Stale or contaminat-
edHave serviced by
Yamaha dealer83
Fuel tank Water or dirt present Have serviced by
Yamaha dealer83
Spark plug Fouled or defective Clean or replace 86
Spark plug
capNot connected or
looseConnect properly
86
Connected to wrong
cylinderConnect properly
86
Fuel injec-
tion systemFuel pump faulty Have serviced by
Yamaha dealer—
UF1W71E0.book Page 92 Tuesday, June 24, 2008 11:46 AM

Trouble recovery
93
Engine runs irregu-
larly or stallsFuel Empty Refill as soon as pos-
sible52
Stale or contaminat-
edHave serviced by
Yamaha dealer83
Fuel tank Water or dirt present Have serviced by
Yamaha dealer83
Spark plug Fouled or defective Replace 86
Incorrect heat range Replace 86
Gap incorrect Adjust 86
Spark plug
capLoose Connect properly 86
Cracked, torn, or
damagedHave serviced by
Yamaha dealer—
Electrical wir-
ingLoose connection Have serviced by
Yamaha dealer—
Fuel injec-
tion systemFaulty or clogged in-
jectorsHave serviced by
Yamaha dealer—
Warning light or in-
dicator blinksFuel level Empty Refill as soon as pos-
sible52
Oil pressure
warningOil pressure dropped Have serviced by
Yamaha dealer44
Engine over-
heatedJet intake clogged Clean
95
Check engine
warningFaulty sensors Have serviced by
Yamaha dealer45 TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF1W71E0.book Page 93 Tuesday, June 24, 2008 11:46 AM

Trouble recovery
94
Watercraft slow or
loses powerShift lever Not completely shift-
ed into forward posi-
tionPush lever forward
until it stops 31
Yamaha Se-
curity SystemLow-RPM mode se-
lectedSelect normal mode
36
Cavitation Jet intake clogged Clean 95
Impeller damaged or
wornHave serviced by
Yamaha dealer95
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine45
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
44
Spark plug Fouled or defective Replace 86
Incorrect heat range Replace 86
Gap incorrect Adjust 86
Spark plug
capLoose Connect properly
86
Electrical wir-
ingLoose connection Have serviced by
Yamaha dealer—
Fuel Stale or contaminat-
edHave serviced by
Yamaha dealer83
Air filter Clogged Have serviced by
Yamaha dealer83
Oil buildup Have serviced by
Yamaha dealer83 TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF1W71E0.book Page 94 Tuesday, June 24, 2008 11:46 AM