PowerTec 40Hp Owner's Manual page 9

<Gasoline
Recommended gasoline:
Regular unleaded gasoline
If knocking or pinging occurs, use
a differentbrand of gasoline or
premium unleaded fuel. If unleaded
gasoline is not available, then
premium gasoline can be used.
Engine oil
Recommended engine oil:
Powertec 2-stroke
outboard motor oil
If the recommended engine oil is
not available, another 2-stroke
engine oil with an NMMA-certified
TC-W3 rating may be used. Battery
requirement
CAUTION
Do not use a battery that does not
meet the specified capacity. If a
battery which does not meet specifi-
cations is used, the electric system
could perform poorly or be over-
loaded, causing electric system
damage.
For electric start models, choose a
battery which meets the following
specifications.
Battery specifications
Minimum cold cranking amps (CCA/
EN): 40ª430.0 A
General Information
Minimum rated capacity (20HR/IEC):
40HP
Without a rectifier or Rectifier
Regulator
CAUTION
A battery cannot be connected to
models that do not have a rectifier or
Rectifier Regulator.
If you wish to use a battery with the
models without a rectifier or Rectifier
Regulator, install an optional Rectifi-
er Regulator. Using a maintenance-
free battery with the above models
can shorten the life of the bat-
tery significantly. Install an optional
Rectifier Regulator or use acces-
sories rated to withstand 18 volts or
higher with the above models. Con-
sult your PowertecOutBoards dealer
for details on installing an optional
Rectifier Regulator.
Propeller selection
The performance of your outboard
motor will be critically affected by
your choice of propeller, as an in-
correct choice could adversely af-
fect performance and could also
seriously damage the motor. Engine
speed depends on the propeller size
and boat load. If engine speed is too
high or too low for good engine per-
formance, this will have an adverse
effect on the engine. PowertecOut-
Boards outboard motors are fitted
with propellers chosen to perform
3