2008 YAMAHA VX sensor

Features and functions
20
Rear view
1Handgrip
2Cleat
3Intake grate
4Speed sensor
5Stern drain plugs
6Stern eyes
7Ride plate
8Jet thrust nozzle
9Reverse gate (for VX Deluxe/VX Cruiser)
UF1K73E0.book Page 20 Wednesday, July 11, 2007 9:15 AM

Features and functions
34
death could result from coming in contact
with the rotating parts of the jet pump.
CAUTION:
ECJ00040
If you cannot locate and correct the cause
of the overheating, consult a Yamaha deal-
er. Continuing to operate at higher speeds
could result in severe engine damage.
NOTE:
Press the select button on the multifunction
information center to stop the buzzer.
EJU31630Check engine warning indicator
If a sensor malfunction or a short circuit is de-
tected, the “WARNING” light and the check
engine warning indicator begin to blink, and
the buzzer sounds intermittently.
If this occurs, reduce the engine speed, return
to shore, and have a Yamaha dealer check
the engine.
EJU35001“SECURITY” indicator light
(for VX Deluxe/VX Cruiser)
The “SECURITY” indicator light comes on
when the unlock mode of the Yamaha Securi-
ty System is selected. The watercraft can be
1Select button
UF1K73E0.book Page 34 Wednesday, July 11, 2007 9:15 AM

Trouble recovery
79
Engine runs irregu-
larly or stallsFuel Empty Refill as soon as pos-
sible39
Stale or contaminat-
edHave serviced by
Yamaha dealer70
Fuel tank Water or dirt present Have serviced by
Yamaha dealer70
Spark plug Fouled or defective Replace 72
Incorrect heat range Replace 72
Gap incorrect Adjust 72
Spark plug
capLoose Connect properly 72
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-
sible39
Engine over-
heatedJet intake clogged Clean
80
Check engine
warningFaulty sensors Have serviced by
Yamaha dealer34
Watercraft slow or
loses powerYamaha Se-
curity Sys-
tem (VX
Deluxe/VX
Cruiser)Low-RPM mode se-
lectedSelect normal mode
30
Cavitation Jet intake clogged Clean 80
Impeller damaged or
wornHave serviced by
Yamaha dealer80
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine33
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
32
Spark plug Fouled or defective Replace 72
Incorrect heat range Replace 72
Gap incorrect Adjust 72
Spark plug
capsLoose Connect properly
72
Electrical wir-
ingLoose connection Have serviced by
Yamaha dealer—
Fuel Stale or contaminat-
edHave serviced by
Yamaha dealer70
Air filter Clogged or oil buildup Have serviced by
Yamaha dealer71 TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF1K73E0.book Page 79 Wednesday, July 11, 2007 9:15 AM