Regal 2000 ES Owner's Manual page 155

Flushing Device
garden hose bib thread. Attach the male end of a garden hose to the
tting and tighten it. Make sure the tting does not leak as the power
head could overheat and cause internal damage. Next, turn on the
fresh water supply. Start the engine and run in neutral idle speed
only. Let the engine warm up enough so that the thermostat opens
and permits purging of the power head cylinder water jackets. If the
thermostat is not open the cylinder head areas normally are bypassed.
When ushing completed remove the garden hose from the tting
and reattach the hose connections and of course check for tightness.
Engine & Controls
Y o u r
outboard features a
ushing device which
w h e n c o n n e c t e d
to a garden hose
circulates fresh water
through the engine
to purge unwanted
debris such as found
in salty, brackish, and
silty water.
To us e op en t he
f l u s h i n g d e v i c e
b y
counterclockwise.
Notice there is a
Y a m a h a
t u r n i n g i t
1-77