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903021*
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EMU00338*
Flushing Cooling System and Fogging
Engine
Cooling system flushing is essential to
prevent the cooling system from clogging
up with salt, sand, or dirt. In addition, fog-
ging of the engine is mandatory to pre-
vent expensive engine damage due to
rust. Perform the flushing and fogging at
the same time.
w
8 Do not touch or remove electrical parts
when starting or during operation.
8 Keep hands, hair and clothes away
from flywheel and other rotating parts
while engine is running.
EMU00342
8 Flushing with the Flushing Attachment
cC
Avoid running the outboard at high
speed while on the flushing attachment,
or overheating could occur.
1) Remove the top cowling and the pro-
peller.
2) Install a flushing attachment
1 to the
cooling water inlet.
3) Run the engine at a fast idle for 10~15
minutes supplying fresh water.
4) Just prior to turning off the engine,
quickly spray “Yamaha Stor-Rite
Engine Fogging Oil” (Part No. LUB-
STRRT-12-00) alternately into the
silencer cover. When properly done,
the engine will smoke excessively
and almost stall.
5) Remove the flushing attachment and
wipe off any excess water.
6) Install the top cowling and the pro-
peller.
67F-9-15-4 4/26/01 9:55 AM Page 6