Page 81 of 120

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 and adjusting the throttle 
cable ..................................................... 4-13
Cleaning and adjusting the 
spark plugs  ........................................... 4-14
Lubrication points  ................................. 4-15
Adjusting the choke cable .................... 4-17
Inspecting the battery  .......................... 4-18
Adjusting the carburetor  ...................... 4-20
Replacing the fuse  ............................... 4-21
Bleeding the oil injection pump ............ 4-21
Specifications ........................................ 4-22
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4-21
E
EJU01263 
Replacing the fuse  
The fuse is in the electrical box 1. 
To replace the fuse: 
1. Remove the cap 2, pull out the red lead,
and bring the fuse holder 3 out of the
electrical box. 
2. Open the fuse holder and replace the
fuse 4 with one of the correct amper-
age. 
WARNING@ Do not use fuses of higher amperage that
those recommended. Substitution of a
fuse of improper rating can cause exten-
sive electrical system damage and possi-
ble fire. 
@
EJU01112 
Bleeding the oil injection 
pump  
If the oil tank becomes completely empty,
or any hose connected to the oil pump has
been disconnected, the oil pump must be
bled to ensure proper oil flow. 
If bleeding of the oil pump is necessary,
have a Yamaha dealer bleed it. Fuse amperage: 10 A 
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        Page 106 of 120

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 
TBC-F0P7ETROUBLE POSSIBLE CAUSE REMEDY PAGE
Engine does not 
startStarter motor does not turn over
Engine shut-
off switchClip not in place Install clip
2-9
Fuse Burned out Replace the fuse and 
check wiring4-21
Battery Run down Recharge 4-18
Poor terminal connec-
tionsTighten as required
4-18
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 4-14
Spark plug cap Not connected or loose Connect properly 4-14
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 nut4-17
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6-2
E
Limitations on who may operate the 
watercraft ................................................ 1-9
Location of main components ................. 2-1
Lubrication............................................... 4-3
Lubrication points .................................. 4-15
M
Maintenance and adjustments ................ 4-7
Manufactured date label.......................... 1-2
O
Oil filter .................................................. 4-12
Oil level warning lamp ........................... 2-14
Oil tank .................................................. 4-12
Oil tank filler cap...................................... 2-7
Operating your watercraft...................... 3-20
Operation .............................................. 3-14
Operation of controls and other 
functions .................................................. 2-4
Operation requirements ........................ 1-11
Other labels ............................................. 1-7
Owner’s/Operator’s Manual and 
tool kit ...................................................... 4-8
P
Periodic maintenance chart..................... 4-9
Post-operation checks........................... 3-34
Pre-operation check list........................... 3-5
Pre-operation check points ..................... 3-6
Pre-operation checks .............................. 3-5
Primary Identification (PRI-ID) 
number .................................................... 1-1
R
Rear seat................................................. 2-4
Recommended equipment .................... 1-13
Replacing the fuse ................................ 4-21
Riding watercraft with passengers ........ 3-21
Rough water operation .......................... 3-33
S
Safe boating rules ................................. 1-17
Safety information ................................... 1-9
Seat storage compartment .................... 2-16
Specifications ........................................ 4-22
Starting and boarding in shallow 
water ..................................................... 3-23
Starting from a dock .............................. 3-23Starting the engine ................................ 3-16
Starting the watercraft ........................... 3-22
Start switch............................................ 2-10
Steering system ...........................2-11, 3-11
Stern drain plug ....................................... 3-8
Stopping the engine .............................. 3-19
Stopping the watercraft ......................... 3-31
Storage.................................................... 4-1
Storage compartments .......................... 2-15
Submerged watercraft ............................. 5-8
Switches ................................................ 3-13
T
Throttle .................................................. 3-11
Throttle lever ......................................... 2-10
Towing the watercraft .............................. 5-7
Transporting .......................................... 3-36
Troubleshooting ...................................... 5-1
Troubleshooting chart ............................. 5-1
Turning the watercraft ........................... 3-29
W
Warning labels ........................................ 1-4
Watercraft characteristics ...................... 1-14
Water separator ...................................... 3-7
Water-skiing .......................................... 1-15
UF0M75.book  Page 2  Thursday, May 29, 2003  9:53 AM