2018 YAMAHA SUPERJET fuse

Table of contents
Capsized watercraft ......................... 48
Beaching the watercraft ................... 49
Operating in weeded areas .............. 49
After removing the watercraft from
the water ....................................... 49
Care and storage............................. 50
Post-operation care ...................... 50
Flushing the cooling water
passages....................................... 50
Cleaning the watercraft .................... 51
Battery care ...................................... 51
Long-term storage ........................ 54
Cleaning ........................................... 54
Lubrication ....................................... 54
Rustproofing..................................... 55
Maintenance .................................... 56
Maintenance.................................. 56
Tool kit.............................................. 56
Adjusting the steering friction .......... 56
Adjusting the jet thrust nozzle
angle ............................................. 57
Periodic maintenance chart ............. 59
Checking the spark plugs ................ 60
Lubrication points ............................ 61
Checking the fuel filter ..................... 61
Adjusting the choke cable................ 61
Adjusting the carburetor................... 61
Specifications .................................. 63
Specifications................................ 63
Trouble recovery ............................. 64
Troubleshooting ............................ 64
Troubleshooting chart ...................... 64
Emergency procedures ................. 66
Cleaning the jet intake and
impeller ......................................... 66
Jumping the battery ......................... 67
Replacing the fuse ........................... 67
Towing the watercraft ...................... 68
Submerged watercraft ..................... 69
Index................................................. 70
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Trouble recovery
64
EJU34562
Troubleshooting
If you have any trouble with your watercraft, use the troubleshooting chart to check for the
possible cause.
If you cannot find the cause, consult a Yamaha dealer.
EJU34576Troubleshooting 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
19
Fuse Burned out Replace fuse and
check wiring67
Battery Run down Recharge 51
Poor terminal con-
nectionsTighten as required
51
Terminal corroded Clean or replace 51
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”21
Fuel Empty Refill as soon as pos-
sible28
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 60
Spark plug
capNot connected or
looseConnect properly
60
Crankcase Filled with water Have serviced by
Yamaha dealer69
Fuel filter Clogged or water
pooledHave serviced by
Yamaha dealer61
Choke Knob moves back on
its ownTighten choke knob
adjusting nut61
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Trouble recovery
67
(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.
EJU34642Jumping the battery
If the watercraft battery has run down, the en-
gine can be started using a 12-volt booster
battery and jumper cables.
EJU34654Connecting the jumper cables
WARNING
EWJ01251
To avoid battery explosion and serious
damage to the electrical system:
Do not reverse the polarity of the jumper
cables when connecting to the batter-
ies.
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 19 for information on
starting the engine.)
EJU34676Replacing the fuse
If the fuse is blown, replace it with the proper
fuse.
To replace the fuse:
(1) Remove the hood. (See page 23 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
68
(4) Open the fuse holder and replace the
fuse with one of the correct amperage.
WARNING! Do not use fuses of a dif-
ferent amperage than recommended.
Substitution with a fuse that has an
improper rating can cause extensive
electrical system damage and possi-
ble fire.
[EWJ00803]
(5) Insert the fuse holder into the electrical
box.
(6) Securely install the cap by tightening it
until it stops.
(7) Securely install the hood in its original
position.
EJU34705Towing the watercraft
WARNING
EWJ00812
The operator of the towing boat must
keep speed to a minimum and avoid
traffic or obstacles which could be a
hazard to the operator on the water-
craft.
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 com-
bined length of the towing boat and the wa-
tercraft.
(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 tow-
ing, otherwise water could flood the
engine compartment or water could
flow back into the engine, causing se-
vere engine damage.
[ECJ01331]
Tow the watercraft at 8 km/h (5 mph) or less.
NOTICE: Tow the watercraft at 8 km/h (5
mph) or less, otherwise water could flood
the engine compartment or water could
flow back into the engine, causing severe
engine damage.
[ECJ01322]
1Fuse holder
2Electrical box
3Fuse
4Cap
Fuse amperage:
Battery fuse:
10 A1Bow rope hole
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70
Index
2-stroke engine oil ................................... 28
A
After removing the watercraft from the
water ..................................................... 49
B
Battery care.............................................. 51
Battery checks ......................................... 36
Battery, jumping ....................................... 67
Beaching the watercraft ........................... 49
Bilge water check..................................... 36
Bilge water, draining ................................ 29
Bilge water, draining on water ................. 29
Boarding and starting in deep water........ 47
Boarding and starting in shallow water.... 46
Bow rope hole .......................................... 24
C
Capsized watercraft ................................. 48
Carburetor, adjusting ............................... 61
Choke cable, adjusting ............................ 61
Choke knob.............................................. 21
Cleaning ................................................... 54
Cleaning the watercraft ............................ 51
Cooling water pilot outlet ......................... 21
Cooling water pilot outlet check .............. 39
Craft Identification Number (CIN)............... 1
Cruising limitations..................................... 9
E
Emergency procedures ............................ 66
Engine break-in ........................................ 32
Engine compartment check ..................... 35
Engine idling speed, adjusting ................. 62
Engine overheat warning system ............. 22
Engine serial number ................................. 1
Engine shut-off cord (lanyard) check ....... 38
Engine shut-off switch ............................. 19
Engine stop switch................................... 19
Engine unit check..................................... 36
Enjoy your watercraft responsibly............ 15
Equipment ................................................ 23
F
Fire extinguisher check ............................ 39
Fire extinguisher container....................... 25
Fire extinguisher container checks .......... 39
Flushing the cooling water passages....... 50
Fuel .......................................................... 27Fuel and engine oil requirements ............. 27
Fuel cock knob......................................... 21
Fuel filter, checking .................................. 61
Fuel level check........................................ 35
Fuel system checks ................................. 35
Fuel tank, filling ........................................ 28
Fuse, replacing ......................................... 67
G
Getting to know your watercraft .............. 40
Glossary, watercraft ................................. 16
H
Hazard information................................... 13
Hood ........................................................ 23
Hood check .............................................. 39
Hull and deck check ................................ 39
I
Identification numbers ............................... 1
J
Jet intake and impeller, cleaning.............. 66
Jet intake checks ..................................... 39
Jet thrust nozzle angle, adjusting ............ 57
Jumper cables, connecting ...................... 67
L
Labels, important ....................................... 3
Labels, other .............................................. 7
Labels, warning .......................................... 4
Launching the watercraft ......................... 41
Learning to operate your watercraft......... 40
Leaving the watercraft.............................. 43
Limitations on who may operate the
watercraft ................................................ 8
Long-term storage ................................... 54
Lubrication ............................................... 54
Lubrication points .................................... 61
M
Main components, location of ................. 17
Maintenance............................................. 56
Manufactured date label ............................ 2
Mixing fuel and oil .................................... 28
O
Operating in weeded areas ...................... 49
Operating positions .................................. 40
Operating the watercraft .......................... 43
Operating your watercraft ........................ 40
Operation requirements ........................... 10
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