MAINTENANCE
SYNCHRONIZATION AND LINKAGE ADJUSTMENTS - 9.9/15
r'LLER
AND REMOTE MODELS
To
adjust, advance the throttle to wide-open posi-
tion and adjust
idle speed screw. Turn the screw
in
to move the
cam
closer to the roller and out to
move cam away from the roller. Close the throttle
completely
and check the cam to roller alignment.
Repeat procedure
if
necessary.
1
1. Idle speed screw
34786
1. Cam follower roller
34785
Cam Follower Pickup Point
Connect a throttle shaft amplifier to the carburetor
throttle shaft as shown.
Advance the
throttle until the tip of the amplifier
begins to move. At this point, the center of the
roller should align with the indicator mark
on
cam.
To
adjust, use Ball Hex Screwdriver,
PIN
327622.
Back out cam
follower adjusting screw until the
cam and cam follower
do
not touch. Turn the
screw until amplifier begins
to
move and confirm
the mark
on
cam aligns with the center of the cam
follower. Repeat procedure
if
necessary. If air
silencer
is
on, remove plug to adjust screw. Rein-
stall plug after procedure.
71
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