Page 32 of 110
Description
25
Engine compartment
1
3
6 4 25
10 9 78
1Engine cover
2Air filter case
3Water separator (page 31)
4Fuel tank
5Battery (page 64)
6Flushing hose connector
7Electrical box
8Spark plug/Spark plug cap/Ignition coil
9Engine oil filler cap (page 56)
10Dipstick (page 56)
UF1W72E0.book  Page 25  Monday, June 1, 2009  1:42 PM 
     
        
        Page 99 of 110
Maintenance
92
EJU36942Engine oil and oil filter 
WARNING
EWJ00340
Engine oil is extremely hot immediately af-
ter the engine is turned off. Coming in con-
tact with or getting any engine oil on your
clothes could result in burns.
NOTICE
ECJ00991
Do not run the engine with too much or not
enough oil in the engine, otherwise the en-
gine could be damaged.
It is recommended to have a Yamaha dealer
change the engine oil and the engine oil filter.
However, if you choose to change the oil and
filter on your own, consult a Yamaha dealer.
Engine mountCheck—
Nuts and boltsCheck—
Air filter elementCheck—
Engine oilReplace 92
Oil filterReplace 92
Valve clearanceCheck, adjust— Item OperationInitial Thereafter every
Page 10 
hours50 hours100 
hours200 
hours
6 
months12 
months12 
months24 
months
chapter13  Page 92  Tuesday, June 23, 2009  1:33 PM 
     
        
        Page 103 of 110

Trouble recovery
96
Watercraft slow or 
loses powerShift lever Not completely shift-
ed into forward posi-
tionPush lever forward 
until it stops 32
Watercraft 
operation 
modeLow RPM Mode acti-
vatedDeactivate Low RPM 
Mode 34
Cavitation Jet intake clogged Clean 97
Impeller damaged or 
wornHave serviced by 
Yamaha dealer97
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and 
cool engine43
Oil pressure 
warningEngine speed reduc-
tion control activatedAdd oil
43
Spark plug Fouled or defective Have serviced by 
Yamaha dealer—
Incorrect heat range Have serviced by 
Yamaha dealer—
Gap incorrect Have serviced by 
Yamaha dealer—
Spark plug 
capNot connected or 
looseHave serviced by 
Yamaha dealer—
Electrical wir-
ingLoose connection Have serviced by 
Yamaha dealer—
Fuel Stale or contaminat-
edHave serviced by 
Yamaha dealer—
Air filter Clogged Have serviced by 
Yamaha dealer—
Oil buildup Have serviced by 
Yamaha dealer— TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF1W72E0.book  Page 96  Monday, June 1, 2009  1:42 PM