Yamaha 20C Owner's Manual page 106

8 Flushing with the flushing attachment
1) Fit the flushing attachment (option) in
2) Connect a garden hose between the
605014
3) Shift into "NEUTRAL", and start the
cC
Never operate the engine even momen-
tarily without running cooling-water.
Either the water pump will get damaged
or the engine will overheat. Before start-
ing the engine, be sure to install the
flushing attachment and feed water.
w
Before using the flushing attachment,
remove the propeller. Keep yourself and
others away from the propeller shaft.
3
3 Flushing attachment
903021
4-5
position on the lower casing, with
rubber cups covering the water intake
opening. The attachment must be
installed from the front of the lower
casing.
flushing attachment and the water
tap.
engine while supplying water, then
keep it running at low speed for a few
minutes.
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