Page 96 of 112
Maintenance
88
To install the engine cover:
When installing the engine cover, simply re-
verse the steps for removal.
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Page 97 of 112

Maintenance
89
EJU43103Periodic maintenance chart
The periodic maintenance chart gives general guidelines for periodic maintenance. Have a
Yamaha dealer perform the checks in the following chart. However, maintenance may need to be performed more frequently depending on your operating conditions. If you have any
questions, consult a Yamaha dealer.
This “ √” mark indicates items to be checked and serviced by a Yamaha dealer.
Item OperationInitial Thereafter every
Page
10 hours 50 hours
or 12
months *1 100
hours or 12
months *1 200
hours or 24
months *1
Fuel line Check fuel hoses and
clamps
√
—
Fuel filler cap/Wa-
ter separator Check O-rings for cracks
and deformation
√
—
Fuel tank Check installation and
straps
√
—
Water inlet strainer Check for clogs and dam-
age
√
—
Cooling water hos-
es Check for damage and
leakage, and check
clamps
√
—
Engine oil Replace √√ 91
Oil filter Replace √91
Intermediate hous-
ing Lubricate
√—
Spark plugs Check √√ —
Battery Check state of charge,
terminals and bands
√
—
Battery leads Check terminals √—
Steering master Check operation and for
looseness
√√
—
Steering cable Check exterior and con-
nections, and lubricate
√
—
Shift rod and re-
verse gate Check exterior and con-
nections, and lubricate
√
—
Air filter element Check for damage and
dirt
√
—
Air intake hoses Check for damage, and
check clamps
√
—
Throttle body Lubricate throttle valve √—
Exhaust system Check
for exhaust leak-
age, and check hoses and
clamps √
—
UF4S71E0.book Page 89 Wednesday, August 4, 2021 5:18 PM
Page 98 of 112
Maintenance
90
*1: Whichever comes first.
*2: Check every 200 hours.
Perform the pre-operation checks and post-operation checks before performing periodic
maintenance.
Breather hoseCheck breather hose and
clamps
√
—
Impeller Check for bends, dam-
age, and foreign material
√
—
Drive shaft spline Check for damage and lu-
bricate splines
√
—
Jet pump bearings Check bearings and
grease condition
√
—
Jet thrust nozzle Check movement, and lu-
bricate
√
—
Jet vacuum bilge Check hoses for clogs
and damage, check
clamps, and clean bilge
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
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Page 99 of 112
Maintenance
91
EJU36943Engine oil and oil filterEWJ00341
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.
ECJ00992
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.
UF4S71E0.book Page 91 Wednesday, August 4, 2021 5:18 PM
Page 110 of 112

Index
102
Limitations on who may operate the watercraft................................................ 9
Long-term storage ................................... 85
Lubrication ............................................... 85
M
Main components, location of ................. 20
Maintenance ............................................ 87
Manufactured date label ............................ 2
Model information ...................................... 3
Multifunction information center .............. 37
Multifunction information center check ... 68
N
No-wake mode ........................................ 32
O
Operating in weeded areas ...................... 80
Operating the watercraft .......................... 72
Operating the watercraft in reverse or neutral ................................................... 75
Operating your watercraft ........................ 70
Operation buttons .................................... 37
Operation requirements ........................... 11
P
Periodic maintenance chart ..................... 89
Post-launch checks ................................. 68
Post-operation care ................................. 82
Pre-launch checks ................................... 63
Pre-operation check points ..................... 63
Pre-operation checklist ............................ 61
Primary Identification (PRI-ID) number ...... 1
Pull-up cleats ........................................... 50
R
Raising the reverse gate .......................... 98
Reboarding grip ....................................... 48
Reboarding step ...................................... 48
Recommended equipment ...................... 13
Reverse assist .......................................... 31
RiDE lever................................................. 26
RiDE lever checks .................................... 65
Riding position ......................................... 71
Rustproofing ............................................ 86
S
Safe boating rules .................................... 17
Safety equipment check .......................... 67
Seat storage compartment ...................... 52
Seats ........................................................ 47 Setting menu screen ................................ 40
Shift system ............................................. 28
Shift system check ................................... 68
Starting off ............................................... 78
Starting off from a trailer .......................... 79
Starting the engine on water .................... 71
Steering system ....................................... 26
Steering system checks ........................... 64
Stern drain plug checks ........................... 67
Stern eyes ................................................ 49
Stopping the engine ................................. 72
Stopping the watercraft ........................... 74
Storage compartment checks.................. 66
Storage compartments ............................ 50
Submerged watercraft ............................. 99
Switch checks .......................................... 66
T
T.D.E. (thrust directional enhancer) .......... 31
Throttle lever ............................................ 25
Throttle lever checks ................................ 65
Towing the watercraft .............................. 99
Transporting on a trailer ........................... 59
Troubleshooting ....................................... 94
Troubleshooting chart .............................. 94
Turning the watercraft .............................. 73
U
USB charger............................................. 46
W
Wakeboarding and water-skiing .............. 16
Warning function ...................................... 42
Water separator ....................................... 27
Water separator check ............................. 63
Watercraft characteristics ........................ 14
Watercraft control functions..................... 24
Watercraft operation functions ................ 28
Watercraft operation modes .................... 31
Y
Yamaha Security System ......................... 24
Yamaha Security System check .............. 65
Yamaha Security System setting ............. 24
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