Disconnecting The Battery - Yamaha F300A Owner's Manual

Maintenance
Twin engines
4 3
6
7
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
100
1 2
5
4
8
9
ZMU05941
Triple engines
1
3
5
4
8
7
1. Starboard side engine
2. Center engine
3. Port side engine
4. Red cable
5. Black cable
6. Isolator lead with circuit protection
7. Fuse
8. Battery for starting
9. Battery for accessories
10. Negative connecting cable
EMU29371

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.
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.
2 3
5 5
4
8 8
10
[ECM01930]
6
7
4
9
ZMU05956