Inspecting And Replacing Anode(S); Checking Battery (For Electric Start Models) - Yamaha F300 Owner's Manual

Maintenance
8. Put a new gasket on the gear oil drain
screw. Insert and tighten the gear oil
drain screw.
Tightening torque:
9 Nm (0.9 kgf-m, 6.6 ft-lb)
9. Securely install the cooling water inlet
covers on both sides of the gear case
using the bolt and nut removed earlier.
Tightening torque:
3 Nm (0.3 kgf-m, 2.2 ft-lb)
EMU29312

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.
ECM00720
NOTICE
Do not paint anodes, as this would render
them ineffective.
TIP:
Inspect ground leads attached to external
anodes on equipped models. Consult a
Yamaha dealer for inspection and replace-
ment of internal anodes attached to the pow-
er unit.
100
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Checking battery (for electric start
models)
EWM01900
WARNING
Battery electrolytic fluid is poisonous
and caustic, and batteries generate ex-
plosive hydrogen gas. When working
near the battery:
Wear protective eye gear and rubber
G
gloves.
Do not smoke or bring any other source
G
of ignition near the battery.
Refer to page 17 for detailed safety in-
formation about batteries.
The procedure for checking the battery var-
ies for different batteries. This procedure
contains typical checks that apply to many
batteries, but you should always refer to the
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