Page 26 of 84
Description
19
Engine compartment
1
2
3
4
5
6
1Oil tank filler cap/Dipstick (page 33)
2 Fuel tank
3 Water separator (page 22)
4 Flushing hose connector (page 57)
5 Spark plug/Ignition coil
6 Battery (page 42)
UF4R71E0.book Page 19 Monday, May 10, 2021 1:14 PM
Page 41 of 84
Operation and handling requirements
34
(6) Loosen the oil tank filler cap and removeit, and then wipe the attached dipstick
clean.
(7) Screw the oil tank filler cap into the filler hole until it stops. Remove the oil tank
filler cap again and make sure that the
engine oil level is between the minimum
and maximum level marks.
(8) If the engine oil level is significantly above the maximum level mark, consult
a Yamaha dealer. If the engine oil level is
below the minimum level mark, slowly
add engine oil.
(9) Repeat steps 6–8 until the engine oil is at the proper level.
(10) Securely install the oil tank filler cap and turn it until it stops. (11) Securely install the hood in its original
position.
1Oil tank filler cap/Dipstick
1 Dipstick
2 Maximum level mark
3 Minimum level mark
1
213
UF4R71E0.book Page 34 Monday, May 10, 2021 1:14 PM
Page 49 of 84

Pre-operation checks
42
EJU41561Engine oil level check
Make sure that the engine oil level is between
the minimum and maximum level marks on
the dipstick attached to the oil tank filler cap.
(See page 33 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 35 for information on draining the
bilge water.)
EJU32488Battery 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
shows any other signs of decreased pow-
er. Loss of battery power may leave you
stranded.
[EWJ01242]
Make sure that the battery is securely held in
place.
EJU32614Steering system checks
Turn the handlebars to the right and left sev-
eral times to make sure that operation is
smooth and unrestricted throughout the
whole range, and that the free play is not ex-
cessive.
Turn the handlebars as far as possible to the
right and left to make sure that the jet thrust
nozzle moves as the handlebars are turned,
and that there is no difference between the
1
Oil tank filler cap/Dipstick
1 Dipstick
2 Maximum level mark
3 Minimum level mark
1
213
1Positive (+) battery terminal: Red lead
2 Negative (–) battery terminal: Black lead
1
2
UF4R71E0.book Page 42 Monday, May 10, 2021 1:14 PM