battery YAMAHA SUPERJET 2010 User Guide

Trouble recovery
63
EJU34561
Troubleshooting
If you have any trouble with your watercraft, use the troubleshooting chart to check for the pos-
sible cause.
If you cannot find the cause, consult a Yamaha dealer.
EJU34574Troubleshooting chart
TROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine does not
start (Starter motor
does not turn over)Engine shut-
off switchClip not in place Install clip
18
Fuse Burned out Replace fuse and
check wiring66
Battery Run down Recharge 50
Poor terminal con-
nectionsTighten as required
50
Terminal corroded Clean or replace 50
Starter motor Faulty Have serviced by
Yamaha dealer—
Engine does not
start (Starter motor
turns over)Fuel cock Turned to “OFF”Turn fuel cock knob to
“ON”19
Fuel Empty Refill as soon as pos-
sible27
Stale or contaminat-
edHave serviced by
Yamaha dealer—
Fuel tank Water or dirt present Have serviced by
Yamaha dealer—
Spark plug Fouled or defective Replace 59
Spark plug
capNot connected or
looseConnect properly
59
Crankcase Filled with water Have serviced by
Yamaha dealer67
Fuel filter Clogged or water
pooledHave serviced by
Yamaha dealer59
Choke Knob moves back on
its ownTighten choke knob
adjusting nut60
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Trouble recovery
66
(2) Remove any weeds or debris from
around the jet intake, drive shaft, impel-
ler, jet pump housing, and jet thrust noz-
zle.
If debris is difficult to remove, consult a
Yamaha dealer.
EJU34641Jumping the battery
If the watercraft battery has run down, the en-
gine can be started using a 12-volt booster
battery and jumper cables.
EJU34653Connecting the jumper cables
WARNING
EWJ01250
To avoid battery explosion and serious
damage to the electrical system:

Do not reverse the polarity of the jumper
cables when connecting to the batteries.

Do not connect the negative (–) jumper
cable to the negative (–) terminal of the
watercraft battery.

Do not touch the positive (+) jumper ca-
ble to the negative (–) jumper cable.
(1) Connect the positive (+) jumper cable to
the positive (+) battery terminals of both
batteries.
(2) Connect one end of the negative (–)
jumper cable to the negative (–) battery
terminal of the booster battery.(3) Connect the other end of the negative (–)
jumper cable to an unpainted bolt on the
cylinder head.
(4) Start the engine, and then disconnect the
jumper cables by reversing the steps
above. (See page 18 for information on
starting the engine.)
EJU34673Replacing the fuse
If the fuse is blown, replace it with the proper
fuse.
To replace the fuse:
(1) Remove the hood. (See page 22 for hood
removal and installation procedures.)
(2) Loosen the cap and remove it.
(3) Pull out the red lead to pull out the fuse
holder from the electrical box.
1Positive (+) jumper cable
2Booster battery
3Negative (–) jumper cable
1Good fuse
2Blown fuse
2 1
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Trouble recovery
67
(4) Open the fuse holder and replace the
fuse with one of the correct amperage.
WARNING! Do not use fuses of higher
amperage than recommended. Substi-
tution with a fuse that has an improper
rating can cause extensive electrical
system damage and possible fire.
[EWJ00801]
(5) Insert the fuse holder into the electrical
box.
(6) Install the cap and tighten it securely.
(7) Install the hood in its original position.
EJU34703Towing the watercraft
WARNING
EWJ00811

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 operator on the watercraft.

The towline should be long enough so
that the watercraft will not collide with
the towing boat when slowing down.
If the watercraft becomes inoperative in the
water, it can be towed to shore.
To tow the watercraft:
Use a towline that is three times the combined
length of the towing boat and the watercraft.
(1) Securely attach the towline to the bow
rope hole of the watercraft being towed.
(2) Ride the watercraft with your body weight
supported on the riding tray. Hold on to
the handlebars in order to balance the
watercraft and keep the bow up out of the
water. NOTICE: The bow must be kept
up out of the water during towing, oth-
erwise water could flood the engine
compartment or water could flow back
into the engine, causing severe en-
gine damage.
[ECJ01330]
Tow the watercraft at 5 mph (8 km/h) or less.
NOTICE: Tow the watercraft at 5 mph (8
km/h) or less, otherwise water could flood
the engine compartment or water could
flow back into the engine, causing severe
engine damage.
[ECJ01320]
EJU34733
Submerged watercraft
If the watercraft is submerged or flooded with
water, drain the water from the engine com-
partment. Then, have a Yamaha dealer ser-
vice the watercraft as soon as possible.
(1) Remove the watercraft from the water,
and then remove the hood.
1Fuse holder
2Electrical box
3Fuse
4Cap
Fuse amperage:
Battery fuse:
10 A
1Bow rope hole
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Index
2-stroke engine oil .................................... 26
A
After removing the watercraft from the
water ..................................................... 48
B
Battery care .............................................. 50
Battery checks.......................................... 34
Battery, jumping ....................................... 66
Beaching the watercraft ........................... 48
Bilge water check ..................................... 34
Bilge water, draining................................. 28
Bilge water, draining on water .................. 28
Boarding and starting in deep water ........ 46
Boarding and starting in shallow water .... 45
Bow rope hole .......................................... 23
C
Capsized watercraft ................................. 47
Carburetor, adjusting................................ 61
Choke cable, adjusting ............................. 60
Choke knob .............................................. 20
Cleaning ................................................... 53
Cleaning the watercraft ............................ 50
Cooling water pilot outlet .......................... 20
Cooling water pilot outlet check ............... 38
Craft Identification Number (CIN) ............... 1
Cruising limitations ..................................... 8
E
Emergency procedures ............................ 65
Engine break-in ........................................ 30
Engine compartment check...................... 33
Engine idling speed, adjusting ................. 61
Engine overheat warning system ............. 21
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 36
Engine shut-off switch .............................. 18
Engine stop switch ................................... 18
Engine unit check ..................................... 34
Enjoy your watercraft responsibly ............ 14
Equipment ................................................ 22
F
Fire extinguisher check ............................ 37
Fire extinguisher container ....................... 24
Fire extinguisher container checks........... 37
Flushing the cooling water passages ....... 49Fuel .......................................................... 26
Fuel and engine oil requirements ............. 26
Fuel cock knob ......................................... 19
Fuel filter, checking .................................. 59
Fuel level check ....................................... 33
Fuel system checks .................................. 33
Fuel tank, filling ........................................ 27
Fuse, replacing ......................................... 66
G
Getting to know your watercraft ............... 39
Glossary, watercraft ................................. 15
H
Hazard information ................................... 12
Hood ......................................................... 22
Hood check .............................................. 37
Hull and deck check ................................. 37
I
Identification numbers ................................ 1
J
Jet intake and impeller, cleaning .............. 65
Jet intake checks ...................................... 37
Jet thrust nozzle angle, adjusting ............. 56
Jumper cables, connecting ...................... 66
L
Labels, important ........................................ 2
Labels, other .............................................. 6
Labels, warning .......................................... 3
Launching the watercraft .......................... 40
Learning to operate your watercraft ......... 39
Leaving the watercraft .............................. 42
Limitations on who may operate the
watercraft ................................................ 7
Long-term storage .................................... 53
Lubrication................................................ 53
Lubrication points ..................................... 59
M
Main components, location of .................. 16
Maintenance ............................................. 55
Mixing fuel and oil .................................... 26
O
Operating in weeded areas ...................... 48
Operating positions .................................. 39
Operating the watercraft ........................... 42
Operating your watercraft ......................... 39
Operation requirements ............................. 9
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