Evinrude 4906B 4HP 1969 Owner's Manual page 315

8-56 LOWER UNIT
leading to the ignition switch and from the
switch for 12 volts.
than 12 volts, the key switch is defective
and should be replaced.
8- Shift
Box and
the blue and green shift wires at the rear of
the engine. Connect
voltmeter to the green wire of the shift box,
and the other lead to a good ground.
the ignition switch to ON, and move the
shift lever into forward
meter must indicate
nect the voltmeter
into reverse gear, and the voltmeter
indicate 12 volts. If the voltmeter
indicate 12 volts during either one of these
tests, the shift box requires
Chapter 7, Accessories.
Leave the shift wires disconnected;
the ignition switch OFF; move the shift
lever to the NEUTRAL position; and connect
one lead of an ohmmeter
(forward) wire leading from the rear of the
engine to the lower unit, and the other lead
to a good ground.
indicate from 4.5 to 6.5 ohms.
same test for reverse gear, the blue wire
leading from the rear of the engine to the
lower unit, and check for the same reading.
If the ohmmeter fails to indicate
quired resistance, a wire is broken, or the
coil in the lower unit is shorted.
If the reading is less
Coil Tests: Disconnect
one lead of
Turn
gear. The volt-
12 volts. Next, con-
to the blue wire, shift
should
fails to
service, see
turn
to the green
The ohmmeter should
Make the
the re-
a
ELECTROMA TIC REMOVAL
1- Disconnect
prevent engine start
work. At the rear of the engine:
insulating sleeve
wires. Disconnect the shift and engine shift
terminals.
2- Remove
each side of the exhaust cover.
3- Remove the attaching hardware from
the exhaust plate on the port side of the
engine. Remove the two screws from the
inner plate and the clamp on the shift wire.
the spark plug wires to
while performing
Slide the
back on the shift cable
the Phillips screws
the
along