Table of contents
Lubrication ....................................... 70
Battery ............................................. 70
Cleaning the watercraft ................... 70
Maintenance and adjustments ..... 71
Owner’s/operator’s manual and
tool kit ........................................... 71
Periodic maintenance chart ............. 72
Checking the fuel system ................ 74
Engine oil and oil filter ..................... 74
Air filter element .............................. 74
Checking the jet thrust nozzle
angle ............................................ 74
Checking the shift cable .................. 75
Checking the throttle lever ............... 75
Cleaning and adjusting the spark
plugs ............................................ 76
Lubrication points ............................ 77
Checking the battery ....................... 78
Fuel injection system ....................... 80
Specifications .................................. 81
Specifications ................................ 81
Trouble recovery ............................. 82
Troubleshooting ........................... 82
Troubleshooting chart ...................... 82
Emergency procedures ................ 85
Cleaning the jet intake and
impeller ........................................ 85
Jumping the battery ......................... 86
Replacing the fuses ......................... 86
Towing the watercraft ...................... 88
Submerged watercraft ..................... 88
UF2C70E0.book Page 2 Monday, November 3, 2008 10:16 AM
Trouble recovery
82
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
33
Engine shut-
off switchClip not in place Install clip
26
Fuse Burned out Replace fuse and
check wiring86
Battery Run down Recharge 78
Poor terminal con-
nectionsTighten as required
78
Terminal corroded Clean 70
Starter motor Faulty Have serviced by
Yamaha dealer—
Engine does not
start (Starter motor
turns over)Throttle lever Squeezed Release 27
Fuel Empty Refill as soon as pos-
sible43
Stale or contaminat-
edHave serviced by
Yamaha dealer74
Fuel tank Water or dirt present Have serviced by
Yamaha dealer74
Spark plug Fouled or defective Clean or replace 76
Spark plug
capNot connected or
looseConnect properly
76
Connected to wrong
cylinderConnect properly
76
Fuel injec-
tion systemFuel pump faulty Have serviced by
Yamaha dealer—
UF2C70E0.book Page 82 Monday, November 3, 2008 10:16 AM
