Maintenance
90
Twin engines
EMU29372
Disconnecting the battery
1. Turn off the battery cut-off switch (if
equipped) and main switch.
NOTICE:
If
they are left on, the electrical system
can be damaged.
[ECM01931]
2. Disconnect the negative cable(s) from
the negative (-) terminal.
NOTICE:
Al-
ways disconnect all negative (-) ca-
bles first to avoid a short circuit and
damage to the electrical system.
[ECM01941]
3. Disconnect the positive cable(s) and re-
move the battery from the boat.
4. Clean, maintain, and store the battery
according to the manufacturer’s instruc-
tions.
EMU38661
Storing the battery
When storing your Yamaha outboard motor
for prolonged periods of time (2 months or
longer), remove the battery and store it in a
cool, dry place.
Check the battery and charge it if necessary.
1. Starboard side engine
2. Port side engine
3. Red cable
4. Black cable
5. Isolator lead with circuit protection
6. Fuse
7. Battery for starting
8. Battery for accessories
9. Negative connecting cable
ZMU05941
1
3
9
3
4
6
4
2
5
7
8
7
6CE-9-74-1E0.book 90 ページ ２０１４年１２月４日 木曜日 午前９時３０分
