Yamaha Z250D Owner's Manual page 194

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Connecting an accessory battery
(option)
1) Remove the accessory battery coupler
cover from the outboard motor.
2) Connect the accessory battery coupler
1 to the coupler of the accessory bat-
tery lead (option).
Use a connecting cable between the (-) ter-
minals of the starting battery and accessory
battery. See the illustrations of the wiring
connections. This cable must be made from
wire thicker than the starting battery cable
4.
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Use of smaller wire could lead to a fire.
2 Battery for starting
3 Battery for accessories
4 Large red lead for starting battery
5 Small red lead for accessory battery charging
(optional part)
6 Large black lead
7 Negative connecting cable (optional part)
8 Power for accessories
NOTE:
If a battery selector switch is desired, con-
sult your YAMAHA dealer about correct
wiring.
EMU01280
Disconnecting the Battery
Disconnect the BLACK lead from the NEG-
ATIVE (-) terminal first. Then disconnect the
RED lead from the POSITIVE (+) terminal.
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