Table of contents
Transporting on a trailer ............... 63
First-time operation......................... 64
Engine break-in ............................ 64
Pre-operation checks ...................... 65
Pre-operation checklist .................... 65
Pre-operation check points .......... 67
Pre-launch checks ........................... 67
Post-launch checks ......................... 74
Operation ......................................... 75
Operating your watercraft ............. 75
Getting to know your watercraft ....... 75
Learning to operate
your watercraft ............................. 75
Riding position ................................. 76
Launching the watercraft ................. 76
Starting the engine on water ........... 76
Stopping the engine ........................ 77
Leaving the watercraft ..................... 77
Operating the watercraft .................. 77
Turning the watercraft ..................... 78
Stopping the watercraft ................... 79
Operating the watercraft in reverse
or neutral ...................................... 80
Boarding the watercraft ................... 81
Starting off ....................................... 84
Capsized watercraft ......................... 85
Beaching and docking
the watercraft ............................... 86
Operating in weeded areas ............. 86
After removing the watercraft
from the water .............................. 87
Care and storage ............................. 88
Post-operation care ...................... 88
Flushing the cooling water
passages ...................................... 88
Cleaning the watercraft ................... 89
Battery care ..................................... 89
Long-term storage ........................ 92
Cleaning .......................................... 92
Lubrication ....................................... 92Rustproofing .................................... 93
Maintenance .................................... 94
Maintenance ................................ 94
Tool kit ............................................. 94
Removing and installing the engine
cover ............................................ 94
Periodic maintenance chart ............. 96
Engine oil and oil filter ..................... 97
Specifications.................................. 98
Specifications ................................ 98
Trouble recovery ............................. 99
Troubleshooting ........................... 99
Troubleshooting chart ...................... 99
Emergency procedures .............. 102
Cleaning the jet intake and
impeller ...................................... 102
Jumping the battery ....................... 103
Replacing the fuses ....................... 103
Replacing the bilge pump fuse ...... 105
Towing the watercraft .................... 106
Submerged watercraft ................... 107
UF2S70E0.book Page 2 Wednesday, December 7, 2011 3:56 PM
Trouble recovery
99
EJU34561
Troubleshooting
If you have any trouble with your watercraft, use the troubleshooting chart to check for the pos-
sible cause.
If you cannot find the cause, consult a Yamaha dealer.
EJU42351Troubleshooting chart
Confirm the possible cause and remedy, and then refer to the applicable page.
TROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine does not
start (Starter motor
does not turn over)Yamaha Se-
curity SystemLock mode selected Select unlock mode
27
Engine shut-
off switchClip not in place Install clip
28
Fuse Burned out Replace fuse and
check wiring103
Battery Run down Recharge 89
Poor terminal con-
nectionsTighten as required
89
Terminal corroded Clean or replace 89
Starter motor Faulty Have serviced by
Yamaha dealer—
Engine does not
start (Starter motor
turns over)Throttle lever Squeezed Release 28
Fuel Fuel tank empty Refill as soon as pos-
sible58
Stale or contaminat-
edHave serviced by
Yamaha dealer—
Fuel tank Water or dirt present Have serviced by
Yamaha dealer—
Spark plug Fouled or defective Have serviced by
Yamaha dealer—
Spark plug
capNot connected or
looseHave serviced by
Yamaha dealer—
Connected to wrong
cylinderHave serviced by
Yamaha dealer—
Fuel injec-
tion systemFuel pump faulty Have serviced by
Yamaha dealer—
Throttle lever Faulty Have serviced by
Yamaha dealer—
UF2S70E0.book Page 99 Wednesday, December 7, 2011 3:56 PM
