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Maintenance
4st 25/30 2022
26) Inspection of Anodes
Inspection of Exterior
1. Check the anode and trim tab for buildup of scale
and staining by grease and oil. Clean or replace if
necessary.
2. Replace the anode and/or trim tab if they are
corroded excessively.
Do not coat the anode or trim tab with
oil, grease or paint, or their anti-galvanic
corrosion function will not work normally.
When it is necessary to disassemble the
outboard motor to inspect the anode, refer to the
disassembly procedure described in this manual.
Inspection of Conductivity
If the anode is not getting smaller, there is a possibility
that conductivity is not being maintained correctly.
Follow the procedure below to check the anode.
1. Check the grounding of the outboard motor and
conductivity of the anode surface with a tester.
2. If the resistance is very small or none at all, it
means that the anode is installed correctly.
If the resistance is large, remove the mounting
bolts and after cleaning the screw thread and
screw hole, install and inspect the anode again.
For the cooling water passage anode (cylindrical
shape), check the conductivity between the
ground of the outboard motor and anode bracket.
A Power Tilt Model
B Manual Tilt Model
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