Table of contents
Operating in weeded areas ............. 76
Post-operation care ...................... 76
Transporting ................................. 77
Maintenance and care ..................... 78
Storage ......................................... 78
Flushing the cooling system ............ 78
Lubrication ....................................... 79
Battery ............................................. 79
Cleaning the watercraft ................... 79
Maintenance and adjustments ..... 80
Owner’s/operator’s manual and
tool kit ........................................... 80
Periodic maintenance chart ............. 81
Checking the fuel system ................ 83
Engine oil and oil filter ..................... 83
Air filter element .............................. 83
Checking the jet thrust nozzle
angle ............................................ 83
Checking the shift cable .................. 84
Checking and adjusting the throttle
cable ............................................ 84
Cleaning and adjusting the spark
plugs ............................................ 86
Lubrication points ............................ 87
Checking the battery ....................... 89
Fuel injection system ....................... 90
Specifications .................................. 91
Specifications ................................ 91
Trouble recovery ............................. 92
Troubleshooting ........................... 92
Troubleshooting chart ...................... 92
Emergency procedures ................ 95
Cleaning the jet intake and
impeller ........................................ 95
Jumping the battery ......................... 96
Replacing the fuses ......................... 96
Towing the watercraft ...................... 98
Submerged watercraft ..................... 98
UF1W71E0.book Page 2 Tuesday, June 24, 2008 11:46 AM
Trouble recovery
92
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.
EJU36982Troubleshooting chart
TROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine does not
start (Starter motor
does not turn over)Yamaha Se-
curity SystemLock mode selected Select unlock mode
35
Engine shut-
off switchClip not in place Install clip
27
Fuse Burned out Replace fuse and
check wiring96
Battery Run down Recharge 89
Poor terminal con-
nectionsTighten as required
89
Terminal corroded Clean 79
Starter motor Faulty Have serviced by
Yamaha dealer—
Engine does not
start (Starter motor
turns over)Throttle lever Squeezed Release 28
Fuel Empty Refill as soon as pos-
sible52
Stale or contaminat-
edHave serviced by
Yamaha dealer83
Fuel tank Water or dirt present Have serviced by
Yamaha dealer83
Spark plug Fouled or defective Clean or replace 86
Spark plug
capNot connected or
looseConnect properly
86
Connected to wrong
cylinderConnect properly
86
Fuel injec-
tion systemFuel pump faulty Have serviced by
Yamaha dealer—
UF1W71E0.book Page 92 Tuesday, June 24, 2008 11:46 AM
