Yanmar SD60 Operation Manual page 12

SAFETY
If the Sail-Drive oil temperature is too high,
stop engine immediately and check the
Sail-Drive oil level.
The anode of the Sail-Drive is only
calculated for the Sail-Drive. Using the
different material propeller may require
additional anodes to be installed on the
propeller itself.
Failure to use the correct anode material
may result in inadequate protection and
excessive corrosion of underwater drive
system components. Use only zinc or
aluminum anodes in brackish and
saltwater applications. In freshwater
applications, use aluminum or magnesium
anodes for best results. Never use
magnesium anodes in brackish or salt
water, as they will deteriorate rapidly,
which will lead to severe damage to the
drive system.
Always tighten components to the
specified torque. Loose parts can cause
equipment damage or cause it to operate
improperly.
Only use replacement parts specified.
Other replacement parts may affect
warranty coverage.
Never attempt to modify the Sail-Drive's
design or safety features. Failure to
comply may impair the marine gear's
safety and performance characteristics
and shorten the Sail-Drive's life. Any
alterations to this Sail-Drive may affect the
warranty coverage of your Sail-Drive.
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SD60 Operation Manual