Table of contents
Adjusting the steering friction .......... 52
Adjusting the jet thrust nozzle
angle ............................................ 53
Checking and adjusting the throttle
cable ............................................ 54
Cleaning and adjusting the spark
plugs ............................................ 55
Lubrication points ............................ 56
Adjusting the choke cable ............... 57
Checking the battery ....................... 57
Adjusting the carburetor .................. 58
Specifications .................................. 60
Specifications ................................ 60
Trouble recovery ............................. 61
Troubleshooting ........................... 61
Troubleshooting chart ...................... 61
Emergency procedures ................ 63
Cleaning the jet intake and
impeller ........................................ 63
Jumping the battery ......................... 64
Replacing the fuse ........................... 64
Towing the watercraft ...................... 65
Submerged watercraft ..................... 65
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Trouble recovery
61
EJU34560
Troubleshooting
If you have any trouble with your watercraft, use this section to check for the possible cause.
If you cannot find the cause, or if the procedure for replacement or repair is not described in
this owner’s/operator’s manual, have a Yamaha dealer perform the necessary service.
EJU34571Troubleshooting 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 wiring64
Battery Run down Recharge 57
Poor terminal con-
nectionsTighten as required
57
Terminal corroded Clean 46
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”18
Fuel Empty Refill as soon as pos-
sible25
Stale or contaminat-
edHave serviced by
Yamaha dealer51
Fuel tank Water or dirt present Have serviced by
Yamaha dealer51
Spark plug Fouled or defective Clean or replace 55
Spark plug
capNot connected or
looseConnect properly
55
Crankcase Filled with water Have serviced by
Yamaha dealer65
Fuel filter Clogged or water
pooledHave serviced by
Yamaha dealer51
Choke Knob moves back on
its ownTighten choke knob
adjusting nut57
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Index
2-stroke engine oil .................................... 24
B
Battery ................................................ 28, 46
Battery, checking...................................... 57
Battery, jumping ....................................... 64
Beaching the watercraft ........................... 42
Bilge ......................................................... 28
Boarding and starting in deep water ........ 38
Boarding and starting in shallow water .... 37
Bow rope hole .......................................... 22
C
Capsized watercraft ................................. 39
Carburetor, adjusting................................ 58
Choke cable, adjusting ............................. 57
Choke knob .............................................. 20
Cleaning the watercraft ............................ 47
Cooling water pilot outlet .................... 20, 31
Craft Identification Number (CIN) ............... 1
Cruising limitations ..................................... 8
E
Emergency procedures ............................ 63
Engine break-in ........................................ 32
Engine compartment ................................ 27
Engine overheat warning system ............. 22
Engine serial number ................................. 1
Engine shut-off cord (lanyard) .................. 30
Engine shut-off switch .............................. 19
Engine stop switch ................................... 19
Enjoy your watercraft responsibly ............ 14
F
Fire extinguisher....................................... 28
Flushing the cooling system ..................... 45
Fuel and oil............................................... 24
Fuel cock knob ......................................... 18
Fuel filter .................................................. 51
Fuel system .............................................. 27
Fuel system, checking.............................. 51
Fuel tank .................................................. 51
Fuel tank filler cap .................................... 18
Fuel tank, filling ........................................ 25
Fuse, replacing......................................... 64
G
Gasohol .................................................... 24
Gasoline ................................................... 24Getting to know your watercraft ............... 35
H
Hazard information ................................... 12
Hood ......................................................... 17
Hull and deck ........................................... 27
I
Identification numbers ................................ 1
J
Jet intake .................................................. 30
Jet intake and impeller, cleaning .............. 63
Jet thrust nozzle angle, adjusting ............. 53
Jet thrust nozzle angle, checking ............. 51
Jumper cables, connecting ...................... 64
K
Kneeling ................................................... 36
L
Labels, important ........................................ 2
Labels, other .............................................. 6
Labels, warning .......................................... 3
Launching the watercraft .......................... 32
Learning to operate your watercraft ......... 35
Leaving the watercraft .............................. 34
Limitations on who may operate the
watercraft ................................................ 7
Lubrication................................................ 46
Lubrication points ..................................... 56
M
Main components, location of .................. 15
Maintenance and adjustments ................. 47
Mixing fuel and oil .................................... 24
O
Operating in weeded areas ...................... 42
Operating positions .................................. 36
Operating your watercraft ......................... 35
Operation ................................................. 32
Operation of controls and other
functions ............................................... 17
Operation requirements ............................. 9
Owner’s/operator’s manual and tool kit .... 47
P
Periodic maintenance chart ...................... 49
Post-operation care .................................. 42
Pre-operation check list ............................ 26
Pre-operation check points ...................... 27
Pre-operation checks ............................... 26
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