Description
24
Engine compartment
123
46 5
10 11
8
97
1Engine cover
2Air filter case
3Water separator (page 30)
4Fuel tank
5Battery (page 57)
6Flushing hose connector
7Watertight storage compartment
8Spark plug/Spark plug cap/Ignition coil
9Electrical box
10Engine oil filler cap (page 49)11Dipstick
UF3L71E0.book Page 24 Monday, June 30, 2014 9:06 AM
Maintenance
86
*1: Whichever comes first.
*2: Check every 200 hours.
Perform the pre-operation checks and post-operation checks before performing periodic
maintenance.
Air filter elementCheck for damage and
dirt√—
Air intake hosesCheck for damage, and
check clamps√—
Throttle bodyLubricate throttle valves√—
Exhaust systemCheck for exhaust leak-
age, and check hoses and
clamps√—
Breather hoseCheck breather hose and
clamps√—
ImpellerCheck for bends, dam-
age, and foreign material√—
Jet thrust nozzleCheck movement, and lu-
bricate√—
Jet vacuum bilgeCheck hoses for clogs
and damage, check
clamps, and clean bilge
strainer√—
Electric bilge pumpCheck operation, check
hoses for damage, check
clamps, and clean bilge
pump strainer√—
Stern drain plugsCheck O-rings√—
AnodeCheck for corrosion, and
clean√ *2 —
Valve clearanceCheck and adjust√ *2 —
Rubber couplingCheck for cracks, inden-
tations, looseness, and
noise√—
Engine mountCheck for damage and
peeling√— Item OperationInitial Thereafter every
Page
10 hours50 hours
or 12
months
*1100
hours or
12
months
*1200
hours or
24
months
*1
UF3L71E0.book Page 86 Monday, June 30, 2014 9:06 AM
Trouble recovery
91
Watercraft slow or
loses powerShift lever Not completely shift-
ed into forward posi-
tionPush lever forward
until it stops 31
Watercraft
operation
modeLow RPM Mode acti-
vatedDeactivate Low RPM
Mode 33
Cavitation Jet intake clogged Clean 92
Impeller damaged or
wornHave serviced by
Yamaha dealer92
Engine over-
heat warningEngine speed reduc-
tion control activatedClean jet intake and
cool engine38
Oil pressure
warningEngine speed reduc-
tion control activatedAdd oil
37
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—
Incorrect octane
numberUse correct fuel
47
Air filter Clogged Have serviced by
Yamaha dealer—
Oil buildup Have serviced by
Yamaha dealer— TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF3L71E0.book Page 91 Monday, June 30, 2014 9:06 AM