Yamaha 25B, Owner'S Manual

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4-5
GB
000679
EMU01508
1) Wash the motor body using fresh water.
(Refer to “MOTOR EXTERIOR” for
details.)
2) Remove the fuel-line connection(s) from
the motor or shut off the fuel valve, if
equipped.
3) Run the engine at idling speed while
supplying fresh water to flush the cool-
ing-water passages. Continue until the
fuel system becomes empty and the
engine stops. (Refer to “FLUSHING
COOLING SYSTEM” for details.)
4) For electric start models, remove the
battery. (Refer to “DISCONNECTING
THE BATTERY” for details.)
5) Drain the cooling water completely out of
the motor.
Clean the body thoroughly.
6) Remove the spark plug(s).
7) Pour a teaspoonful of clean engine oil
into the cylinder(s).
8) Crank several times manually.
9) Replace the spark plug(s).
c C
8
Do not place the engine on its side
before the cooling water has drained
from it completely, or water may enter
the cylinder through the exhaust port
and cause problems.
8
Store the engine in a dry, well-ventilat-
ed place, not in direct sunlight.
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