Connecting The Battery - Yamaha 150 Owner's Manual

Maintenance
2. Always keep the battery in a good state
of charge. Installing a voltmeter will help
you monitor your battery. If you will not
use the boat for a month or more, re-
move the battery from the boat and store
it in a cool, dark place. Completely re-
charge the battery before using it.
3. If the battery will be stored for longer
than a month, check the specific gravity
of the fluid at least once a month and re-
charge the battery when it is low.
NOTE:
Consult a Yamaha dealer when charging or
re-charging batteries.
EMU29341

Connecting the battery

EWM00570
WARNING
Mount the battery holder securely in a
dry, well-ventilated, vibration-free loca-
tion in the boat. Install a fully charged bat-
tery in the holder.
ECM01121
CAUTION:
Make sure the main switch (on applica-
G
ble models) is "
ing on the battery.
Reversal of the battery cables will dam-
G
age the electrical parts.
Connect the red battery cable first
G
57
" (off) before work-
when installing the battery and discon-
nect the black battery cable first when
removing it. Otherwise, the electrical
parts can be damaged.
The electrical contacts of the battery
G
and cables must be clean and properly
connected, or the battery will not start
the engine.
Connect the RED cable to the POSITIVE (+)
terminal first. Then connect the BLACK ca-
ble to the NEGATIVE (-) terminal.
Using a single battery
Connect both red cables to the (+) terminal.
EWM00590
WARNING
Do not leave cable unconnected. If it acci-
dentally contacts the NEGATIVE (-) termi-
nal of the battery, there will be a short
circuit. Electric system damage and a fire
could result.
1. Red cable
2. Black cable
3. Battery
Using an accessory battery
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