Inspecting And Replacing Anode(S); Checking Battery (For Electric Start Models); Connecting The Battery - Yamaha XF375 Owner's Manual

Tightening torque:
3.0 N·m (0.30 kgf·m, 2.2 lb·ft)
EMU29318

Inspecting and replacing anode(s)

Yamaha outboard motors are protected from corrosion by
sacrificial anodes. Inspect the external anodes periodically.
Remove scales from the surfaces of the anodes. Consult a
Yamaha dealer for replacement of external anodes.
ECM00721
NOTICE
Do not paint anodes, as this would render them ineffec-
tive.
1. Anode
TIP:
Inspect ground leads attached to external anodes on
equipped models. Consult a Yamaha dealer for inspection
and replacement of internal anodes attached to the power
unit.
EMU29324

Checking battery (for electric start models)

EWM01903
WARNING
Battery electrolyte is poisonous and caustic, and batter-
ies generate explosive hydrogen gas. When working
near the battery:
 Wear protective eye gear and rubber gloves.
 Do not smoke or bring any other source of ignition
near the battery.
The procedure for checking the battery varies for different
batteries. This procedure contains typical checks that apply
to many batteries, but you should always refer to the battery
manufacturer's instructions.
ECM01921
NOTICE
A poorly maintained battery will quickly deteriorate.
1. Check the electrolyte level.
1
1
2. Check the battery's charge. If your boat is equipped
with the digital speedometer, the voltmeter and low bat-
tery alert functions will help you monitor the battery's
charge. If the battery needs charging, consult your
Yamaha dealer.
3. Check the battery connections. They should be clean,
secure, and covered by an insulating cover. WARNING!
Bad connections can produce shorting or arcing
and cause an explosion.
EMU42331

Connecting the battery

EWM00573
WARNING
Mount the battery holder securely in a dry, well-ventilat-
ed, vibration-free location in the boat. Install a fully
charged battery in the holder.
ECM01125
NOTICE
Do not reverse the battery cables. Otherwise, the electri-
cal parts could be damaged.
1. Make sure the main switch (on applicable models) is
" " (off) before working on the battery.
2. Connect the red battery cable to the POSITIVE (+) termi-
nal first. Then connect the black battery cable to the
NEGATIVE (-) terminal.
3
1. Red cable
2. Black cable
3. Battery
3. The electrical contacts of the battery and cables must
be clean and properly connected, or the battery will not
start the engine.
Connecting an accessory battery (optional)
If connecting an accessory battery, consult your Yamaha
dealer about correct wiring. For the fuse size, see ABYC (E-
11).
Maintenance
[EWM01913]
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2
ZMU01811
60