Greasing And Additions; Gearbox-Oil Change; Spark-Plug - SELVA MARINE Corse Owner's Manual

Greasing and additions

The only part, which must be filled with oil, is the gearbox.
Selva supply the motor already with the oil, which the user will
have to change completely after the first 20 cruising hours
After this change you must check its level every 50 hours and
change it every 100 hours, and anyway each season.

Gearbox-oil change

To change the oil do as follows:
Keep the motor in vertical position.
Place a container to collect the used oil under the gearbox.
Take out the oil-level plug and the oil drain-plug.
They have a different size and after the oil change
they must be replaced in their proper seat.
Wait until the oil has drained completely, (during this operation
you must check, if water or other foreign bodies are to be
found in the drained oil. They are signs of anomalies which
must be identified and repaired by qualified staff, before using
the motor again).
Protecting the leaning parts, put the motor horizontally, with the
oil-level plug and the oil drain-plug holes upwards.
Inject the oil into the oil drain-plug hole.
The oil must agree with the characteristics listed in
the greasing chart, and must comply with the
quantity pointed out in the technical detailed list.
Insert and tighten the oil-level plug and the oil drain plug.
Picture No. 50.
c
The used oil must be given to the proper collecting
centers or to a SELVA service point.

Spark-plug

The spark-plug must be often inspected because heat and
deposits affect its efficiency so that the performance of the
motor will be affected too.
The inspection of the spark-plug must be done when
the engine is not running and it has cooled down.
It is very important to check, that the part made of
porcelain is not damaged because this could allow
external sparks, which could lead to explosion or fire.
To remove the spark-plug use the supplied spanner; using an
abrasive brush, remove any deposits, then check the wear
condition and the spark-plug gap ( the gap must be 0,6 mm, to
measure it use a thickness gauge ) .
If the spark-plug is too badly worn you must replace it with a
new one which must agree with the characteristics listed in the
specifications chart.
The spark-plug torque is 20 Nm ( ~ 2. kgm). If a
torque-wrench is not available, you can obtain a
good estimate of the correct torque turning the spark-
plug completely by hand and then turning it with the
spanner, a new spark-plug must be turned ~ 90° and
an old one 15° ÷ 20°.
Replace the spark-plug cap, checking that it is correctly fitted
and then replace the top cowling.
21
Picture No. 51.