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Maintenance and care
63
and releasing the throttle lever for 10 to
15 seconds.
(8) Stop the engine.
(9) Remove the garden hose adapter and in-
stall the flushing hose connector cap.
(10) Install the seat.
EJU33623Lubrication
(1) Remove the seat. (See page 23 for seat
removal and installation procedures.)
(2) Loosen the clamp screw and disconnect
the air intake duct.
(3) Spray a rust inhibitor into the intake open-
ing for 3 seconds. WARNING! Do not
spray flammable rust inhibitor prod-
ucts on engine surfaces while the en-
gine is hot. The sprayed substance or
propellants could catch fire.
[EWJ00261]
(4) Connect the air intake duct and tighten
the clamp screw.
(5) Start the engine in a well-ventilated area
and let it run at idle for 15 seconds.
NOTICE: Do not run the engine for
more than 15 seconds without supply-
ing water, otherwise the engine could
overheat.
[ECJ00562]
(6) Lubricate all cables such as the throttle
and steering cables.
Use a suitable marine grease applicator
to pressure-lubricate the cables and
purge out any moisture between the inner
and outer cables.
(7) Lubricate the areas of the watercraft
specified in “Lubrication points” on page
71.
(8) Install the seat.
EJU33681Battery
If the watercraft will not be used for more than
a month, remove the battery from the water-
craft and store it in a cool, dry place.
(1) Disconnect the negative (–) battery lead
first, then the positive (+) battery lead and
breather hose, and then remove the bat-
tery from the watercraft.
(2) Clean the battery casing using fresh wa-
ter.
(3) If the battery terminals are dirty or corrod-
ed, clean them with a wire brush.
(4) Fully charge the battery.
(5) Apply Yamaha Marine Grease or
Yamaha Grease A to the battery termi-
nals, and then store the battery in a cool,
dry place.
(6) Check the battery at least once every 2
months and fully charge it if necessary.
NOTICE: Always keep the battery
charged. Storing a discharged battery
can cause permanent battery damage.
[ECJ00101]
1Clamp screw
2Air intake duct
1Intake opening
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Maintenance and care
69
If the steering is stiff or misadjusted, have a
Yamaha dealer service it.
EJU34350Checking the shift cable (for VX
Deluxe/VX Cruiser)
Place the shift lever in the reverse position.
Make sure that the reverse gate makes con-
tact with the stopper.If the reverse gate does not make contact with
the stopper, have a Yamaha dealer service it.
EJU36640Checking and adjusting the throttle
cable
Check that the throttle cable moves back to
the set position smoothly and that the throttle
lever free play is within specification.
Squeeze and release the throttle lever. If the
throttle lever does not return smoothly, have a
Yamaha dealer service it.
If the specified throttle lever free play cannot
be obtained as described below, have a
Yamaha dealer make the adjustment.
(1) Remove the six screws, and then remove
the front handlebar cover.
(2) Slide the rubber cover away from the ad-
juster, and then loosen the locknut. Difference of A and B:
Maximum 5 mm (0.20 in)
1Stopper
1Front handlebar cover
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Maintenance and care
71
To install a spark plug:
(1) Clean the gasket surface.
(2) Wipe any dirt from the threads of the
spark plug.
(3) Install the spark plug, and then tighten it
to the specified torque.
(4) Wipe off any water on the spark plug or
inside the spark plug cap, and then install
the cap. Push the spark plug cap down
until it is securely installed.
TIP:
If a torque wrench is not available when you
are installing a spark plug, a good estimate of
the correct torque is 1/4 turn to 1/2 turn past
finger tight using the spark plug wrench in-
cluded in the tool kit. Have the spark plug ad-
justed to the correct torque with a torque
wrench as soon as possible.
(5) Install the seat.
EJU34422Lubrication points
To keep moving parts sliding or rotating
smoothly, coat them with water-resistant
grease.
Throttle cable (handlebar end)
Loosen the adjuster and disconnect the
outer cable from the bracket. Spray a rust
inhibitor into the outer cable. Connect the
outer cable, and then adjust the throttle ca-ble free play. (See page 69 for adjustment
procedures.)
Steering cable (handlebar end)
Steering cable (jet thrust nozzle end) Spark plug gap:
0.7–0.8 mm (0.028–0.031 in)
Spark plug tightening torque:
12.5 Nm (1.27 kgf-m, 9.2 ft-lb)
Recommended water-resistant grease:
Yamaha Marine Grease/Yamaha
Grease A
1Adjuster
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Page 90 of 92

Index
Operation of controls and other
functions ............................................... 23
Operation requirements ........................... 11
Owner’s/operator’s manual and tool kit .... 64
P
Periodic maintenance chart...................... 66
Post-operation care .................................. 60
Pre-operation check list............................ 40
Pre-operation check points ...................... 42
Pre-operation checks ............................... 40
Primary Identification (PRI-ID) number ...... 1
R
Reboarding step (for VX Cruiser) ............. 28
Recommended equipment ....................... 13
Remote control transmitter
(for VX Deluxe/VX Cruiser) ................... 24
Reverse on waterways
(for VX Deluxe/VX Cruiser) ................... 59
Riding with passengers ............................ 52
S
Safe boating rules .................................... 17
Seat .......................................................... 23
“SECURITY” indicator light
(for VX Deluxe/VX Cruiser) ................... 34
Selecting the operation mode
(for VX Deluxe/VX Cruiser) ................... 30
Shift cable, checking
(for VX Deluxe/VX Cruiser) ................... 69
Shift lever and reverse gate
(for VX Deluxe/VX Cruiser) ................... 45
Shift lever (for VX Deluxe/VX Cruiser) ..... 27
Shifting (for VX Deluxe/VX Cruiser) ......... 50
Spark plugs, cleaning and adjusting ........ 70
Speedometer............................................ 31
Start switch............................................... 26
Starting the engine ................................... 48
Starting the watercraft .............................. 52
Steering system ................................. 27, 45
Stern drain plugs ...................................... 44
Stern eyes ................................................ 28
Stopping the engine ................................. 49
Stopping the watercraft ............................ 58
Storage..................................................... 62
Storage compartments ............................. 35
Submerged watercraft .............................. 80Switches ................................................... 46
T
Tachometer .............................................. 31
Throttle cable, checking and adjusting ..... 69
Throttle lever ...................................... 26, 45
Towing the watercraft ............................... 80
Transporting ............................................. 61
Trolling speed, checking .......................... 73
Troubleshooting ....................................... 75
Troubleshooting chart .............................. 75
Turning the watercraft .............................. 57
W
Water separator ....................................... 43
Watercraft characteristics ......................... 14
Water-skiing ............................................. 16
Y
Yamaha Engine Management System
(YEMS) ................................................. 28
Yamaha Security System
(for VX Deluxe/VX Cruiser) ................... 29
Yamaha Security System settings
(for VX Deluxe/VX Cruiser) ................... 29
UF2L70E0.book Page 2 Thursday, June 19, 2008 8:38 AM