Yamaha VX250A Owner's Manual page 69

EMU00338
Flushing Cooling System and Fogging
Engine
Cooling system flushing is essential to pre-
vent the cooling system from clogging up
with salt, sand, or dirt. In addition, fogging
of the engine is mandatory to prevent
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 opera-
tion.
8 Keep hands, hair and clothes away
from flywheel and other rotating parts
while engine is running.
EMU01544
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
903021
available from a Yamaha dealer).
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
605014
wipe off any excess water.
6) Install the silencer cover and top cowl-
ing. Install the propeller.
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