Mariner 30 JET 40 (4 CYL) Service Manual page 72

NOTE: By holding the throttle/spark arm against the
IDLE RPM SCREW STOP, a constant timing refer-
ence point is provided while adjusting throttle actua-
tor plate.
IMPORTANT: After all timing adjustments have
been made, the IDLE RPM SCREW will have to be
readjusted to provide the proper idling RPM for
the outboard while it is running.
a
a - Idle RPM Screw
3. Loosen throttle actuator plate retaining screws.
a
d
a - Throttle Actuator Plate
b - Retaining Screws
c - Secondary Throttle Pick Up Screw
d - Top Carburetor
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c
b
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4. While holding throttle/spark arm against IDLE
RPM SCREW STOP, rotate actuator plate until
PRIMARY THROTTLE CAM just touches PRI-
MARY PICK UP ARM on carburetor cluster. Re-
tighten actuator plate retaining screws.
d
b
a - Primary Cam
b - Primary Pick Up Arm
c - Just Touching
d - Secondary Lever
90-814676R1 DECEMBER 1996
a
c
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