Maintenance
61
Single engine
Twin engines
Triple 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 sys-
tem can be damaged.
[ECM01931]
2.
Disconnect the negative cable(s) from the negative (-)
terminal.
NOTICE:
Always disconnect all negative (-)
cables first to avoid a short circuit and damage to
the electrical system.
[ECM01941]
3.
Disconnect the positive cable(s) and remove the battery
from the boat.
4.
Clean, maintain, and store the battery according to the
manufacturer’s instructions.
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. Isolator leads with circuit protection
2. Red cable
3. Black cable
4. Fuse
5. Battery for accessories
6. Battery for starting
7. Negative connecting cable
1. Starboard side engine
2. Port side engine
3. Red cable
4. Black cable
5. Isolator leads with circuit protection
6. Fuse
7. Battery for starting
8. Battery for accessories
9. Negative connecting cable
2
1
7
6
5
3
4
ZMU05939
ZMU05941
1
3
9
3
4
6
4
2
5
7
8
7
1. Starboard side engine
2. Center engine
3. Port side engine
4. Red cable
5. Black cable
6. Isolator leads with circuit protection
7. Fuse
8. Battery for starting
9. Battery for accessories
10.Negative connecting cable
ZMU05956
4
5
4
5
4
5
6
7
1
8
8
8
9
2
3
10
U6GR30E0.book Page 61 Thursday, April 12, 2018 9:28 AM
©
2019 Yamaha Motor Corporation, U.S.A.
