Evinrude 4906B 4HP 1969 Owner's Manual page 172

5-7 SERVICING FLYWHEEL
IGNITION SYSTEM
General Information
Magnetos installed
will usually operate
per iods of time without
ment or repair. However, if ignition system
problems are encountered,
corrective actions such as replacement
spark plugs does not correct
the magneto output should be checked to
determine if the unit is functioning proper-
ly.
Magneto overhaul procedures may differ
slightly on various outboard models, but the
following general basic instructions
ply to all Johnson/Evinrude
wheel-type magnetos.
REMOVAL
1- Remove the hood or enough of the
engine cover to expose the flywheel.
connect the battery
MAGNETO
on outboard engines
over extremely long
requiring ad just-
and the usual
of
the problem,
will ap-
high speed fly-
Dis-
connections from the
battery terminals, if a battery
crank the engine.
installed, remove the attaching
from the legs of the starter
lift the starter free.
2- On hand started
ratchet plate is attached
allow the hand starter
ratchet and thus turn the flywheel.
plate must be removed before the flywheel
nut is removed.
3- Remove the nut securing the flywheel
to the crankshaft. It may be necessary
use some type of flywheel strap to prevent
the flywheel from turning
loosened.
4- Install the proper flywheel puller us-
ing the same screw holes in the flywheel
SERVICING 5-13
is used to
If a hand starter is
hardware
assembly and
models, a round
to the flywheel to
to engage in the
This
to
as the nut is