Table of contents
Battery ............................................. 61
Cleaning the watercraft ................... 62
Maintenance and adjustments ..... 63
Owner’s/operator’s manual and
tool kit ........................................... 63
Periodic maintenance chart ............. 65
Checking the fuel system ................ 66
Checking the oil injection system .... 66
Checking the jet thrust
nozzle angle ................................. 66
Checking and adjusting the throttle
cable ............................................ 67
Cleaning and adjusting the
spark plugs ................................... 67
Lubrication points ............................ 68
Checking the battery ....................... 69
Fuel injection system ....................... 71
Bleeding the oil pump ...................... 71
Adjusting the Yamaha Adjustable
Sponsons (YAS) .......................... 71
Specifications .................................. 72
Specifications ................................ 72
Trouble recovery ............................. 73
Troubleshooting ........................... 73
Troubleshooting chart ...................... 73
Emergency procedures ................ 76
Cleaning the jet intake and
impeller ........................................ 76
Jumping the battery ......................... 77
Replacing the fuses ......................... 78
Towing the watercraft ...................... 78
Submerged watercraft ..................... 79
UF1G74E0.book Page 2 Monday, July 31, 2006 10:10 AM
Features and functions
27
The bow eye is used to attach a rope to the
watercraft when transporting, mooring, or
towing it in an emergency.
EJU36020Stern rope holes
The stern rope holes are located at the stern
of the watercraft.
The stern rope holes are used to attach a rope
to the watercraft when transporting or moor-
ing it.
EJU31370Yamaha Engine Management System
(YEMS)
This model is equipped with an integrated,
computerized management system that con-
trols and adjusts ignition timing, fuel injection,
engine diagnostics, and the off-throttle steer-
ing (OTS) system.
EJU31420Multifunction information center
This meter contains the following functions for
help and convenience in operating the water-
craft.
CAUTION:
ECJ00060
Do not run the engine over 4000 r/min
when checking the operation of the
meter on land without supplying water,
otherwise the engine could overheat
and the catalytic converter could be se-
riously damaged.
Use the specified resistor-type spark
plugs and caps, otherwise the meter
may function erratically.
NOTE:
When the engine is started, all displays light
up for a few seconds, the buzzer sounds
twice, and then the meter starts to operate
normally.
1Bow eye
1Stern rope hole
1Tachometer
2Speedometer
3Hour meter/voltmeter
4Fuel level meter
5“WARNING” light
6Fuel level warning indicator
7Oil level warning indicator
8Engine overheat warning indicator
9Exhaust temperature warning indicator
10Check engine warning indicator
11Select button
UF1G74E0.book Page 27 Monday, July 31, 2006 10:10 AM
Trouble recovery
79
The bow must be kept up out of the wa-
ter during towing to prevent water from
entering the engine compartment.
WARNING
EWJ00810
The watercraft should only be towed in
an emergency.
The towline should be long enough so
that the watercraft will not collide with
the towing boat when slowing down. A
good rule of thumb is a towline that is
three times the combined length of the
towing boat and the watercraft.
The operator of the towing boat must
keep speed to a minimum and avoid traf-
fic or obstacles which could be a hazard
to the rider on the watercraft.
EJU34740Submerged watercraft
If the watercraft is submerged or flooded with
water, follow the procedure below and consult
a Yamaha dealer as soon as possible. Failure
to do so could result in serious engine dam-
age!
In an emergency:
(1) Beach the watercraft and remove the
stern drain plugs to drain the water fromthe engine compartment. (See page 39
for more information.)
Remove the storage compartment drain
plugs to drain the water from each stor-
age compartment.
(2) Install the stern drain plugs.
(3) Have the watercraft inspected by a
Yamaha dealer as soon as possible.
1Bow eye
UF1G74E0.book Page 79 Monday, July 31, 2006 10:10 AM
