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Maintenance
60
6. When the oil begins to flow out of the oil
level plug hole, insert and tighten the oil
level plug.
7. Insert and tighten the gear oil drain
screw.
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.
CAUTION:
ECM00720
Do not paint anodes, as this would render
them ineffective.
NOTE:
Inspect ground leads attached to external an-
odes on equipped models. Consult a Yamaha
dealer for inspection and replacement of inter-
nal anodes attached to the power unit.
EMU29320
Checking battery (for electric start
models)
WARNING
EWM00330
Battery electrolytic fluid is dangerous; it
contains sulfuric acid and therefore is poi-
sonous and highly caustic.
Always follow these preventive measures:
● Avoid bodily contact with electrolytic
fluid as it can cause severe burns or per-
manent eye injury.
● Wear protective eye gear when handling
or working near batteries.
Antidote (EXTERNAL):
● SKIN - Flush with water.
● EYES - Flush with water for 15 minutes
and get immediate medical attention.
Antidote (INTERNAL):
Recommended gear oil:
Hypoid gear oil SAE#90
Gear oil quantity:
F250TR 1150.0 cm³ (38.88 US oz)
(40.56 Imp.oz)
LF250TR 1000.0 cm³ (33.81 US oz)
(35.27 Imp.oz)
ZMU01902
U6P212E0.book Page 60 Monday, June 6, 2005 4:23 PM