Mercury 30 Service Manual

ELECTRICAL - 2C-390-826148R2 MARCH 1997
7. Withthrottleatidleposition,turnidlespeedscrew
clockwise “In” until a gap of 0.005 in. - 0.040 in.
(0.13mm-1.02mm)isachievedbetweenthrottle
cam and cam follower.
(0.13 mm - 1.02 mm)
52300
0.005 in. - 0.040 in.
a - Cam Follower Roller
b - Throttle Cam
c - Cam Follower Screw
d - Idle Speed Screw
8. Turn idle mixture screw in (clockwise) until
LIGHTLY seated then, back out to an initial set-
ting of 1-1/4 turns.
a - Carburetor
b - Mixture Screw
WARNING
Keep clear of propeller while cranking and run-
ning the outboard motor.
9. Connecttheelectricalharnessandfuellinetoen-
gine.
10. With the outboard in the water, start engine and
allow to warm up.
11. Adjust idle speed screw in “FORWARD” gear to
specification.
NOTE: When setting idle mixture, DO NOT adjust
leaner than necessary to attain reasonably smooth
idling. When in doubt, stay to the slightly rich side of
the adjustment.
12. With engine running at idle speed in “FOR-
WARD” gear, turn mixture screw “In” (clockwise)
until engine starts to “bog” down and misfire.
Back out 1/4 turn or more.
13. Check for too lean of mixture on acceleration.
(Engine will “bog” on acceleration). Readjust if
necessary.
14. Re-adjustidle speed screw in “FORWARD” gear
to specification.
15. Check for too lean of mixture on acceleration.
(Engine will “bog” on acceleration). Readjust if
necessary.
16. Re-adjustidle speed screw in “FORWARD” gear
to specification.
Timing Adjustments
NOTE: No timing adjustments are required for the
30/40 model outboard with (S/N-0G589999 & Be-
low).

Mercury 30 Specifications

General

Brand	Mercury
Model	30
Category	Outboard Motor
Language	English