Yamaha VZ150C Owner's Manual page 68

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.
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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.
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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 silencer
cover. Remove the propeller.
2) Install a flushing attachment to the
lower unit. (A flushing attachment is
available from a Yamaha dealer).
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3) Run the engine at a fast idle for 10-15
minutes while supplying water.
4) Just prior to turning off the engine,
quickly
Engine Fogging Oil" (Part No. LUB-
STRRT-12-00) alternately into each
intake manifold. When properly done,
the engine will smoke excessively
and almost stall.
5) Remove the flushing attachment and
wipe off any excess water.
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6) Install the silencer cover and top
cowling. Install the propeller.
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