Yamaha F40A Manuel D'utilisation page 174

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EMU01279
Connecting the Battery
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Mount the battery holder securely in a
dry, well-ventilated, vibration-free loca-
tion in the boat. Install a fully charged
battery in the holder.
cC
8 Make sure the main switch (on applica-
ble models) is "OFF" before working on
the battery.
8 Reversal of the battery leads will dam-
age the rectifier.
8 Connect the RED lead first when
installing the battery and disconnect
the RED lead last when removing it.
Otherwise, the electrical system can be
damaged.
8 The electrical contacts of the battery
and cables must be clean and properly
connected, or the battery will not start
the engine.
q
Connect the RED lead to the POSITIVE (+)
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terminal first.
Then connect the BLACK lead to the NEG-
ATIVE (-) terminal.
901012
1 Red lead
2 Black lead
3 Battery
EMU01280
Disconnecting the Battery
Disconnect the BLACK lead from the NEG-
ATIVE (-) terminal first. Then disconnect
the RED lead from the POSITIVE (+) termi-
nal.
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