
E
4
EJU01086 
MAINTENANCE AND 
CARE
Storage ...................................................... 4-1
Flushing the cooling system  .................. 4-1
Lubrication .............................................. 4-3
Fuel system ............................................ 4-4
Battery .................................................... 4-5
Cleaning the watercraft .......................... 4-6
Maintenance and adjustments .............. 4-7
Owner’s/Operator’s Manual and 
tool kit  ..................................................... 4-8
Periodic maintenance chart  ................... 4-9
Inspecting the fuel system  ................... 4-10
Inspecting the oil injection system ....... 4-12
Inspecting the jet thrust nozzle 
angle ..................................................... 4-13
Inspecting the shift cable  ..................... 4-13
Inspecting and adjusting the throttle 
cable ..................................................... 4-13
Inspecting the QSTS mechanism  ....... 4-14
Cleaning and adjusting the spark 
plugs ..................................................... 4-15
Lubrication points  ................................. 4-16
Adjusting the choke cable .................... 4-19
Inspecting the battery  .......................... 4-20
Adjusting the carburetor  ...................... 4-22
Replacing the fuse  ............................... 4-23
Bleeding the oil injection pump ............ 4-23
Specifications ........................................ 4-24
UGU572.book  Page 1  Wednesday, August 28, 2002  1:31 PM 

5-1
E
EJU01116 
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.
EJU01367
Troubleshooting chart 
TROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine does not 
startStarter motor does not turn over
Multifunction 
meter“LOCK” mode selected Select “START” mode
2-20
Engine shut-
off switchClip not in place Install clip
2-9
Fuse Burned out Replace the fuse and 
check wiring4-23
Battery Run down Recharge 4-5
Poor terminal connec-
tionsTighten as required
4-5
Terminal corroded Clean 4-5
Starter motor Faulty Have serviced by 
Yamaha dealer—
Starter motor turns over
Fuel cock Turned to “OFF”Turn the fuel cock to 
“ON”2-8
Fuel Empty Refill as soon as 
possible3-3
Stale or contaminated Have serviced by 
Yamaha dealer4-10
Fuel tank Water or dirt present Have serviced by 
Yamaha dealer4-11
Spark plug Fouled or defective Clean or replace 4-15
Spark plug cap Not connected or loose Connect properly 4-15
Crankcase Filled with water Crank engine with plug 
out until clean5-8
Fuel filter Clogged or water 
pooledHave serviced by 
Yamaha dealer4-11
Choke Knob moves back on 
its ownTighten the choke knob 
adjusting nut4-19
UGU572.book  Page 1  Wednesday, August 28, 2002  1:31 PM 

6-2
E
J
Jet unit................................................... 3-12
Jumping the battery................................. 5-5
L
Label location .......................................... 1-3
Launching the watercraft ....................... 3-16
Learning to operate your watercraft ...... 3-20
Leaving the watercraft ........................... 3-19
Limitations on who may operate the 
watercraft ................................................ 1-9
Location of main components ................. 2-1
Lubrication............................................... 4-3
Lubrication points .................................. 4-16
M
Maintenance and adjustments ................ 4-7
Manufactured date label.......................... 1-2
Multifunction meter ....................... 2-18, 3-13
O
Oil filter .................................................. 4-12
Oil tank .................................................. 4-12
Oil tank filler cap...................................... 2-7
Oil warning indicator.............................. 2-26
Operating your watercraft...................... 3-20
Operation .............................................. 3-14
Operation of controls and 
other functions......................................... 2-4
Operation requirements ........................ 1-11
Other labels ............................................. 1-8
Owner’s/Operator’s Manual and 
tool kit ...................................................... 4-8
P
PADLOC initial setting........................... 2-19
PADLOC (Programmable digital 
locking ignition) ..................................... 2-19
Periodic maintenance chart..................... 4-9
Post-operation checks........................... 3-33
Pre-operation check list........................... 3-5
Pre-operation check points ..................... 3-6
Pre-operation checks .............................. 3-5
Primary Identification (PRI-ID) 
number .................................................... 1-1Q
Quick Shift Trim System (QSTS) 
selector.................................................. 2-14
R
Rear seat................................................. 2-4
Rear storage compartments .................. 2-30
Recommended equipment .................... 1-13
Replacing the fuse ................................ 4-23
Reverse on waterways .......................... 3-32
Riding watercraft with passengers ........ 3-21
Rough water operation .......................... 3-32
S
Safe boating rules ................................. 1-17
Safety information ................................... 1-9
Selecting “PADLOC” mode ................... 2-20
Shift lever .............................................. 2-13
Shift lever and reverse gate .................. 3-11
Side grips .............................................. 2-16
Specifications ........................................ 4-24
Speedometer......................................... 2-22
Starting and boarding in shallow 
water ..................................................... 3-23
Starting from a dock .............................. 3-23
Starting the engine ................................ 3-16
Starting the watercraft ........................... 3-22
Start switch............................................ 2-10
Steering system ...........................2-11, 3-10
Stopping the engine .............................. 3-19
Stopping the watercraft ......................... 3-30
Storage.................................................... 4-1
Storage compartments .......................... 2-28
Submerged watercraft ............................. 5-8
Switches ................................................ 3-13
T
Tachometer ........................................... 2-21
Throttle .................................................. 3-10
Throttle lever ......................................... 2-10
Tilt lever ................................................. 2-12
Towing the watercraft .............................. 5-7
Transporting .......................................... 3-35
Tripmeter ............................................... 2-25
UGU572.book  Page 2  Wednesday, August 28, 2002  1:31 PM