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TOHATSU MFS 25d Service Manual

TOHATSU MFS 25d
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3-33
3
4st 25/30 2022
27) Replacement of Anodes
Anodes protect the outboard motor from galvanic
corrosion (corrosion of metal due to very weak electric
current).
Anodes are used in the gear case, mount rubber (lower),
swivel bracket, clamp bracket, PT unit assy, and power
unit.
Replace an anode if the size is reduced to 2/3 that of a
new one.
28) Replacement of Cooling Water
Passage Anode (Cylindrical Shape)
1. Remove the screw
1
from the anode plug, then remove
the anode
2
.
Do not coat the anodes with oil or paint.
Since the area around the anode installation
bolts will be corroded more than the other areas,
be sure to retighten the bolts at every inspection.
2. Clean the screw locking agent remaining on the screw
thread of the screw tip and clean each contact surface of
the anode plug.
3. Install a new anode
3
in the anode plug and tighten the
screw to the specified torque.
4. Install a new O-ring
4
and install the anode plug on the
outboard motor.
Install the anode with the smaller diameter end
facing the screw.
Apply a screw locking agent (ThreeBond 1342)
to the screw.
Anode Screw:
2.5 N · m (1.84 lb · ft) [0.25 kgf · m]
Anode Plug:
18 N · m (13 lb · ft) [1.8 kgf · m]
Apply a thin coat of water-resistant grease on the
O-ring.
4 O-ring
Do not reuse.

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TOHATSU MFS 25d Specifications

General IconGeneral
BrandTOHATSU
ModelMFS 25d
CategoryOutboard Motor
LanguageEnglish

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