TOHATSU 5 BS Owner's Handbook Manual page 22

4) Precautions in cold weather.
The motor should always be stored in a dry
condition, especially where there is the danger of
freezing.
After removing the motor from the boat wash in
fresh water and pull the starter rope one or two
times to drain the water from the cooling system
Water remaining in the cooling system cavities
could freeze and cause damage.
(3) Submerged motor
If the engine is completely submerged in water it will
have to be stripped down and reassembled. Please
carry out the following first aid action before
handling over to your local dealer for service.
1) Take out of the water and completely wash with
fresh water. If it dropped into sea water remove all
traces of salt.
2) Remove the Spark Plug and drain all the water.
3) Inject 2 cycle engine oil into the cylinder from the
spark plug hole. and into the Crank Case from the
carburetor side at the same time, and rotate the en-
gine slowly with the Starter Rope five or six times.
4) Even if the engine runs after being dropped in
water it should still be serviced by your TO-
HATSU dealer.
(4) Changing gear oil and propeller
11 Changing gear oil
0 Remove oil plugs (upper and lower) and drain gear
oil completely. [Fig. 26)
Only use Tohatsu genuine gear oil
(Heavy-duty SAE #SOI
The amount of gear oil needed is approx. 19Scc.
20