2021 YAMAHA FX HO battery

Table of contents
Draining the bilge water ................ 61
Draining the bilge water on land ...... 61
Draining the bilge water on water .... 61
Transporting on a trailer ................ 62
First-time operation ........................ 63 Engine break-in ............................. 63
Pre-operation checks ..................... 64
Pre-operation checklist .................... 64
Pre-operation check points........... 66
Pre-launch checks ........................... 66
Post-launch checks ......................... 72
Operation ......................................... 74 Operating your watercraft ............. 74
Getting to know your watercraft ...... 74
Learning to operate your
watercraft ...................................... 74
Riding position ................................. 75
Launching the watercraft ................. 75
Starting the engine on water ............ 75
Stopping the engine ......................... 76
Leaving the watercraft...................... 76
Operating the watercraft .................. 76
Turning the watercraft ...................... 77
Stopping the watercraft ................... 78
Operating the watercraft in reverse or neutral ...................................... 79
Boarding the watercraft ................... 80
Starting off........................................ 82
Capsized watercraft ......................... 83
Beaching and docking the watercraft ...................................... 84
Operating in weeded areas .............. 84
After removing the watercraft from the water ....................................... 85
Care and storage............................. 86Post-operation care ...................... 86
Flushing the cooling water
passages....................................... 86
Cleaning the watercraft .................... 87
Battery care ...................................... 87
Long-term storage ........................ 89
Cleaning ........................................... 89
Lubrication ....................................... 89
Rustproofing ..................................... 90
Maintenance .................................... 91 Maintenance ................................. 91
Removing and installing the engine
cover ............................................. 91
Periodic maintenance chart ............. 93
Engine oil and oil filter ...................... 95
Specifications .................................. 96 Specifications ............................... 96
Trouble recovery ............................. 97 Troubleshooting ............................ 97
Troubleshooting chart ...................... 97
Emergency procedures .............. 100
Cleaning the jet intake and
impeller ....................................... 100
Raising the reverse gate ................ 101
Jumping the battery ....................... 101
Replacing the fuses ........................ 102
Towing the watercraft..................... 104
Submerged watercraft ................... 104
Index............................................... 106
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Description
24
Engine compartment
12
5
7
8
9106
43
1Dipstick (page 59)
2 Engine oil filler cap (page 59)
3 Electrical box
4 Battery (page 67)
5 Removable watertight storage compart-
ment (page 54)
6 Spark plug/Ignition coil
7 Fuel tank
8 Water separator (page 29)
9 Air filter case
10 Engine cover
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Control function operation
26
EJU31153Engine stop switch “ ”
The engine stop switch (red button) stops the
engine when the switch is pushed.
EJU31164Engine shut-off switch “ ”
The engine shut-off switch automatically
stops the engine when the clip, on the end of
the engine shut-off cord (lanyard), is removed
from the switch, such as if the operator falls
off the watercraft.
Insert the clip under the engine shut-off
switch before starting the engine.
When the engine is not running, remove the
clip from the engine shut-off switch to pre-vent accidental starting or unauthorized op-
eration by children or others.
EJU42323Start switch “ ”ECJ01311
Do not run the engine over 4000 r/min on
land. Also, do not run the engine for more
than 15 seconds without supplying water,
otherwise the engine could overheat.
The start switch (green button) starts the en-
gine when the switch is pushed.
Release the start switch as soon as the en-
gine starts to run. If the engine does not start
in 5 seconds, release the start switch, wait 15
seconds, and then try again.
NOTICE: Never
push the start switch while the engine is
running. Do not operate the start switch
for more than 5 seconds, otherwise the
battery will be discharged and the engine
1 Engine stop switch
1 Engine shut-off switch
2 Clip
3 Engine shut-off cord (lanyard)
1
1
2
3
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Instrument operation
42
EJU45141Status area
The areas on the left and right sides of the
multifunction information center that show
the watercraft information and the tachome-
ter at the bottom of the multifunction informa-
tion center do not respond to touch
operation.
Trim setting indicator
The position of this indicator and the trim set-
ting level indicate the trim setting of the jet
thrust nozzle. (See page 32 for information on
the trim setting.)
Voltmeter
The voltmeter shows the battery voltage.
When the battery voltage is normal, the volt-
meter displays approximately 14 volts.
If the battery voltage has dropped or risen
significantly, the battery voltage warning will
activate and the voltage display will blink.
(See page 47 for information on the battery
voltage warning.)
Tachometer
The tachometer shows the engine speed us-
ing the large number ×100 RPM (r/min) and
the number of display segments.
TIP:
If a warning is activated or a malfunction is
detected, the warning bar will be displayed
instead of the tachometer number display.
Shift indicator
This indicator shows the reverse gate shift
positions: “F” (forward), “N” (neutral), and “R”
(reverse). (See page 30 for shifting proce-
dures.)
Fuel level meter
The fuel level meter shows the amount of fuel
remaining in the fuel tank using the number of
display segments and a percentage value.
If the amount of remaining fuel is less than
10%, the fuel level warning will activate and
the percentage display will change to “Low”.
(See page 47 for information on the fuel level
warning.)
TIP:
The accuracy of the fuel level meter varies
depending on the operating conditions. Use
this function as a reference only.
EJU45151Home screen “ ”
The center display of the home screen shows
the speedometer and the indicators for the
operation modes. (See page 34 for informa-
tion on the functions of the various modes.)
TIP:
If the engine speed increases while the drive
control mode screen, setting menu screen, or
engine lock screen is displayed, the multi-
1 Trim setting indicator
2 Vo l t m et e r
3 Tachometer
4 Shift indicator
5 Fuel level meter
0
N13.6Vx100
RPM
100%
km/h
15
423
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Instrument operation
46
Displaying the time since the last mainte-
nance (“Wellness”)
The total number of hours that the engine has
been running since the last watercraft main-
tenance can be displayed.
To reset the number of hours of operation:
(1) Tap the “Reset” button.
(2) Tap the “Confirm Reset” button to resetthe number of hours of operation.
Resetting the settings, trip information,
and fuel information (“Reset”)
The settings, trip information, and fuel infor-
mation can be reset to their factory default
settings. The items that are reset and the de-
fault settings are as follows.
Display units: US Unit
Language: English
Display brightness: 100%
Color setting: Blue
Trip time: 0.0
Distance traveled: 0.0
Average fuel consumption per gallon or li-
ter: 0.0
Total fuel used: 0.0
To reset the settings, trip information, and
fuel information:
(1) Tap the “Reset” button.
(2) Tap the “YES” button in the confirmation screen.
EJU45190Engine lock screen “ ”
The engine lock screen shows the setting
screen for the Yamaha Security System in the
center display. (See page 25 for Yamaha Se-
curity System setting procedures.)
EJU45202Warning function
The multifunction information center can indi-
cate the following warnings.
Fuel level warning
Battery voltage warning
Check engine warning
Engine overheat warning
Oil pressure warning
Other warnings (communication errors, ex-
ceeding the maintenance intervals, and so
on)
To stop the buzzer when a malfunction is ac-
tivated, correct the cause of the problem and
Reset
Time Since Last Maintenance
30.0Hr s
Reset
Reset To
Factory?
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Instrument operation
47
start the engine again, or push the “ALARM
MUTE” button.
TIP:
If the “ALARM MUTE” button was pushed to
stop the buzzer, the buzzer will start sound-
ing again after 5 minutes.
Fuel level warning
If the amount of remaining fuel is less than
10%, the percentage display of the fuel level
meter changes to “Low”, and the buzzer
sounds intermittently.
If the fuel level warning is activated, refill the
fuel tank as soon as possible. (See page 57
for information on filling the fuel tank.)
Battery voltage warning
If the battery voltage is less than 12 volts or
more than 18 volts when the engine is notrunning, the voltage display of the voltmeter
blinks.
If the battery voltage warning is activated,
have the watercraft serviced by a Yamaha
dealer as soon as possible.
Check engine warning “ ”
If a sensor malfunction or a short circuit is de-
tected, the warning bar is shown instead of
the tachometer value display, “ ” is shown,
and the buzzer sounds intermittently.
If the check engine warning is activated, im-
mediately reduce the engine speed, return to
shore, and have a Yamaha dealer check the
engine.
TIP:
Tap “ ” to display a description of the
warning in the center display.
Engine overheat warning “ ”
If the engine temperature rises significantly,
the warning bar is shown instead of the ta-
chometer value display, “ ” and “ ” are
shown, and the buzzer sounds continuously.
1
“ALARM MUTE” button
1
Low0
F13.6Vx100
RPM
km/h
0
F10.8Vx100
RPM
100%
km/h
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Pre-operation checks
64
EJU31982
EWJ00412
Failure to inspect or maintain the watercraft properly increases the possibility of an ac-
cident or damage to the watercraft. Do not operate the watercraft if you find any prob-
lem. If a problem cannot be corrected by the procedures provided in this manual, have
the watercraft inspected by a Yamaha dealer.
EJU41235Pre-operation checklist
Before using this watercraft, be sure to perform the checks in the following checklist.
ITEMROUTINEPAGE
PRE-LAUNCH CHECKS
Engine compartment Ventilate the engine compartment.
Check inside the engine compartment for damage.
66
Fuel system Check the fuel system for leakage.
Check the fuel level in the fuel tank.
66
Water separator Check the water separator for water. 67
Engine unit Check the exterior of the engine unit for damage. 67
Engine oil level Check the engine oil level. 67
Bilge water Check the engine compartment for bilge water. 67
Battery Check the battery connections. 67
Steering system Check the steering system for proper operation. 68
Adjustable tilt steering sys-
tem Check the adjustable tilt steering system for proper
operation and check that the handlebars are se-
curely locked in place.
68
RiDE lever Check the RiDE lever for proper operation. 69
Throttle lever Check the throttle lever for proper operation. 69
Yamaha Security System Check the Yamaha Security System for proper op-
eration.
69
Engine shut-off cord (lan-
yard) Check the engine shut-off cord (lanyard) for dam-
age.
69
Switches Check the start switch, engine stop switch, and en-
gine shut-off switch for proper operation.
69
Electric trim system Check the electric trim system for proper operation. 70
Storage compartments Check the storage compartments for damage and
water.
70
Fire extinguisher holder,
cover, and band Check the fire extinguisher holder, cover, and band
for damage.
70
Fire extinguisher Check the condition of the fire extinguisher. 71
Safety equipment Check that safety equipment meeting the applica-
ble regulations is on board.
71
Hull and deck Check the hull and deck for damage. 71
Jet intake Check the jet intake for damage and clogging. 71
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Pre-operation checks
67
EJU32424Water separator check
Make sure that no water has collected in the
water separator. If water has collected in the
water separator, drain it. (See page 29 for in-
formation on draining the water separator.)
EJU40182Engine unit check
Check the exterior of the engine unit for dam-
age or other problem.
EJU36886Engine oil level check
Make sure that the engine oil level is between
the minimum and maximum level marks on
the dipstick. (See page 59 for information on
checking the engine oil level.)
EJU32456Bilge water check
Make sure that no bilge water has collected in
the engine compartment. If bilge water has
collected in the engine compartment, drain it.
(See page 61 for information on draining the
bilge water.)
EJU32486Battery checks
Make sure that the battery terminals are not
damaged and that the battery leads are con-
nected properly. WARNING! Never operate
the watercraft if the battery does not have
sufficient power to start the engine or if it
1 Water separator
1
1Dipstick
1 Maximum level mark
2 Minimum level mark
1
1
2
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