Description
24
Engine compartment
12
3
4 6
5
10 11
8
97
1 Engine cover
2 Air filter case
3 Water separator (page 30)
4 Fuel tank
5 Battery (page 57)
6 Flushing hose connector
7 Watertight storage compartment
8 Spark plug/Spark plug cap/Ignition coil
9 Electrical box
10 Engine oil filler cap (page 49) 11
Dipstick
UF3L70E0.book Page 24 Thursday, November 7, 2013 9:08 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 hoses Check for damage, and
check clamps
√
—
Throttle body Lubricate throttle valves √—
Exhaust system Check for exhaust leak-
age, and check hoses and
clamps √
—
Breather hose Check breather hose and
clamps
√
—
Impeller Check for bends, dam-
age, and foreign material
√
—
Jet thrust nozzle Check movement, and lu-
bricate
√
—
Jet vacuum bilge Check hoses for clogs
and damage, check
clamps, and clean bilge
strainer
√
—
Electric bilge pump Check operation, check
hoses for damage, check
clamps, and clean bilge
pump strainer
√
—
Stern drain plugs Check O-rings √—
Anode Check for corrosion, and
clean
√
*2 —
Valve clearance Check and adjust √ *2 —
Rubber coupling Check for cracks, inden-
tations, looseness, and
noise √
—
Engine mount Check for damage and
peeling
√
—
Item Operation
Initial Thereafter every
Page
10 hours 50 hours
or 12
months *1 100
hours or 12
months *1 200
hours or 24
months *1
UF3L70E0.book Page 86 Thursday, November 7, 2013 9:08 AM
Trouble recovery
91
Watercraft slow or
loses powerShift lever Not completely shift-
ed into forward posi-
tion Push lever forward
until it stops 31
Watercraft
operation
mode Low RPM Mode acti-
vated
Deactivate Low RPM
Mode 33
Cavitation Jet intake clogged Clean 92 Impeller damaged or
worn Have serviced by
Yamaha dealer
92
Engine over-
heat warning Engine speed reduc-
tion control activated Clean jet intake and
cool engine
38
Oil pressure
warning Engine speed reduc-
tion control activated Add 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
cap Not connected or
loose Have serviced by
Yamaha dealer
—
Electrical wir-
ing Loose connection Have serviced by
Yamaha dealer —
Fuel Stale or contaminat- ed Have serviced by
Yamaha dealer
—
Incorrect octane
number Use correct fuel
47
Air filter Clogged Have serviced by Yamaha dealer—
Oil buildup Have serviced by Yamaha dealer —
TROUBLE POSSIBLE CAUSE REMEDY PAGE
UF3L70E0.book Page 91 Thursday, November 7, 2013 9:08 AM
