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SportsBoat_F4X15.book Page 147 Friday, June 16, 2023 8:43 AM

Trouble recovery

tery or fuel vapors, which could cause in 5 seconds, release the
an explosion. “START/STOP” button and try again
after 15 seconds. Continuous crank-
If the boat battery runs down, the engines
ing for more than 5 seconds will dis-
can be started in an emergency using a 12-
charge the battery and the engines
volt booster battery and jumper cables.
will not start. The starter motors may
To connect the jumper cables:
also be damaged if they are engaged
(1) Connect the positive (+) terminal of the
continuously for more than 5 seconds.
dead battery to the positive (+) terminal
of the booster battery with the positive
Fuse replacement
(+) jumper cable.
(2) Connect one end of the negative (–) WARNING
jumper cable to the negative (–) terminal Do not use fuses of a higher amperage
of the booster battery. than recommended. Substitution with a
(3) Connect the other end of the negative (–) fuse that has an improper rating can cause
jumper cable to an engine hanger. extensive electrical system damage and
NOTICE: Be sure all connections are possible fire.
secure and correct before attempting
to start the engines. Any wrong con- If a fuse is blown, replace it with a spare fuse
nection may damage the electrical of the correct amperage. If the boat is not
system. equipped with a spare fuse of the correct am-
perage, have a Yamaha Boat Dealer check
5 and replace the fuse.
2
4 The fuses are in 4 locations on this boat.

Starboard engine compartment (stern
side of the compartment)
(1) While pushing both sides of the fuse box
cover inward, pull the cover toward the
bow and remove it.
1
3
1 Positive (+) terminal of the dead battery
2 Positive (+) jumper cable
3 Engine hanger
4 Negative (–) jumper cable 1
5 Booster battery

(4) Start the engines, and then disconnect
the jumper cables by reversing the above
steps. NOTICE: Do not push the
“START/STOP” button for more than 5 1 Fuse box cover
seconds. If the engine does not start

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