MAINTENANCE
SYNCHRONIZATION AND LINKAGE ADJUSTMENTS - 9.9/15
Wide Open Throttle Adjustment
Adjust wide open throttle (WOT) stop screw until
the tip protrudes 0.25
in.
(8
mm) through the throt-
tle lever.
Maximum Spark Advance
No
maximum spark advance adjustment is neces-
sary.
Correct ignition primary lead position
is
all
that
is
required to maintain proper ignition timing.
Orange/blue lead must connect to top ignition coil.
Idle Speed
The boat must be
in
the water, under normal oper-
ating conditions, with correct
propeller installed.
The boat's movement must be unrestrained. The
1 boat must not
be
tied to a dock or trailer.
1. Stop screw, WOT
34778
Open throttle to WOT position and make sure the
throttle shaft pin
is
vertical.
If
adjustment
is
required, turn the
cam
screw
in
to open the throttle
valve
and out to close the throttle valve.
35004
72
Before proceeding with this procedure, be sure
the
low speed needle
is
properly adjusted. Refer
to
CARBURETOR MIXTURE ADJUSTMENT on
p.161
.
Turn the idle speed knob fully counterclockwise to
the
full SLOW position (tiller models).
Start the outboard and allow it to reach normal
operating temperature. When speed
is
reduced,
engine must
idle at 700 ± 25
RPM
in
FORWARD
gear. Stop the outboard and adjust the
idle speed
screw to change
idle speed.
1
1.
Idle speed screw
32979
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