Checking Top Cowling; Coating The Boat Bottom - Yamaha F4D Owner's Manual

Maintenance
more rapid engine corrosion.
NOTE:
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.
ZMU01943
ZMU02717
EMU29390

Checking top cowling

Check the fitting of the top cowling by push-
ing it with both hands. If it is loose have it re-
paired by your Yamaha dealer.
ZMU04477
EMU29400

Coating the boat bottom

A clean hull improves boat performance. The
boat bottom should be kept as clean of ma-
rine growth as possible. If necessary, the
boat bottom can be coated with an anti-foul-
ing paint approved for your area to inhibit
marine growth.
Do not use anti-fouling paint which includes
copper or graphite. These paints can cause
48