2010 YAMAHA SUPERJET engine overheat

Care and storage
54

Steering cable ball joint (handlebar end)
and steering cable inner wire (handlebar
end)
To access the steering cable ball joint (han-
dlebar end) and steering cable inner wire
(handlebar end), remove the steering pole
cover. (See step 1 in “Adjusting the jet
thrust nozzle angle” on page 56 for informa-
tion on removing the steering pole cover.)

Steering cable ball joint (jet thrust nozzle
end) and steering cable inner wire (jet thrust
nozzle end)
EJU40942Rustproofing
NOTICE
ECJ01360
Do not run the engine for more than 15
seconds on land without supplying water,
otherwise the engine could overheat.
Spray metallic parts of the hull and engine
with a rust inhibitor.To rustproof the internal engine components:
(1) Remove the hood. (See page 22 for hood
removal and installation procedures.)
(2) Loosen the silencer cap and remove it.
(3) Make sure that the area around the wa-
tercraft is clear, and then start the engine
in a well-ventilated area.
(4) Run the engine at a fast idle.
(5) Quickly spray as much rust inhibitor as
possible through the hole in the silencer
cover. Keep spraying until the engine
stalls (or a maximum of 15 seconds).
WARNING! Do not pour or spray gas-
oline, or any substance other than a
rust inhibitor through the hole in the
silencer cover. Do not spray flamma-
ble rust inhibitor products on engine
surfaces while the engine is hot. Oth-
erwise, a fire or explosion could oc-
cur.
[EWJ00301]
(6) Install the silencer cap and tighten it se-
curely. NOTICE: Be sure to install the
silencer cap securely after fogging the
engine, otherwise water could enter
the engine and cause damage.
[ECJ00152]
(7) Install the hood in its original position.
1Silencer cap
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Trouble recovery
65
EJU34622
Emergency procedures EJU34634Cleaning the jet intake and impeller
WARNING
EWJ00782
Before attempting to remove weeds or de-
bris from the jet intake or impeller area,
shut the engine off and remove the clip
from the engine shut-off switch. Severe in-
jury or death could result from coming in
contact with the rotating parts of the jet
pump.
If weeds or debris gets caught in the jet intake
or impeller, cavitation can occur, causing jet
thrust to decrease even though engine speed
rises. If this condition is allowed to continue,
the engine will overheat and may seize.
NOTICE: If weeds or debris gets caught in
the jet intake, do not operate the watercraft
above trolling speed until they have been
removed.
[ECJ00653]
If there is any sign that the jet intake or impel-
ler is clogged with weeds or debris, return to
shore and check the intake and impeller. Al-ways stop the engine before beaching the wa-
tercraft.
(1) Place a suitable clean cloth or carpeting
underneath the watercraft to protect it
from abrasions and scratches. Turn the
watercraft on its side as shown. NOTICE:
Always turn the watercraft over onto
its port (left) side. When turning the
watercraft on its side, support the bow
so that the handlebars are not bent or
damaged.
[ECJ00661]
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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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