Page 28 of 134
2-3
E
1Fuel tank
2Water separator
Traps water from the breather hose to the fuel
tank.
3Fuel filter
4Oil tank
5Silencer
Prevents water from getting into the engine
and reduces air intake noise.6Spark plug lead
7Spark plugs/Spark plug caps
8Electrical box
Protects electrical components from water.
9Battery
0Flush hose connector
Use to flush the engine cooling water pas-
sages.
AMuffler
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Page 103 of 134
4-10
E
EJU01383
Inspecting the fuel system
WARNING@ Gasoline is highly flammable and explo-
sive. A fire or explosion can cause
severe injury or death. Shut off the
engine. Do not smoke. Avoid spilling
gasoline.
@
Check the fuel system for leaks, cracks,
or malfunctions. If any problem is found, do
the necessary repair or replacement as
required. If repair is necessary, consult a
Yamaha dealer.
Check:
Carburetor for leakage.
Fuel pump for malfunction or leakage.
Fuel tank for water or dirt.
Fuel tank for damage, cracks or leakage.
Fuel hose joint for leakage.
Fuel hose for cracks or other damage.
Fuel filter for leakage.
Fuel cock for leakage.
Air vent check valve for leakage.
Fuel tank filler cap for damage.
WARNING@ Failure to check for and repair any fuel
leakage may result in fire or explosion.
@
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Page 105 of 134
4-12
E
EJU01100
Inspecting the oil injection
system
Check the oil injection system for leakage,
cracks, or malfunctions. If necessary, have a
Yamaha dealer repair the oil injection sys-
tem.
Check:
Oil tank for damage, cracks or leakage.
Oil tank for water or dirt.
Oil hose and joint for damage or cracks.
Oil filter for dirt.
Oil pump for leakage.
EJU01101
Oil tank
Check the oil tank for leakage or water in
the tank. If water is found in the oil injection
system or if the oil tank needs to be cleaned
have a Yamaha dealer service the water-
craft.
EJU01102
Oil filter
Check the oil filter 1 for dirt and clogs. If
the oil filter is clogged, remove it from the oil
tank together with the oil level sender and
clean it.
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5-1
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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