ELECTRICAL - 2C-590-826148R2 MARCH 1997
8. Withthrottleatidleposition,turnidlespeedscrew
clockwise “IN” until a gap of 0.005 in. - 0.040 in.
(0.13mm-1.02mm)isachievedbetweenthrottle
cam and cam follower. This will open the throttle
shutter enough to keep the engine running near
idle speed after starting.
55762
0.005 in. -- 0.040 in.
(o.13 mm - 1.02 mm)
a
b
c
d
a - Cam Follower Roller
b - Throttle Cam
c - Cam Follower Screw
d - Idle Speed Screw
9. Turn idle mixture screw in (clockwise) until
LIGHTLY seated then, back out to an initial set-
ting of 1-1/2 turns.
a - Carburetor
b - Mixture Screw
WARNING
Keep clear of propeller while cranking and run-
ning the outboard motor.
10. Connect the fuel line to the engine and electrical
harness on electric engines.
11. With the outboard in the water, start engine,
check tell-tale, and allow to warm up.
12. Adjust idle speed screw in “FORWARD” gear to
specification; (750 ± 50 rpm)
13. Check the idle timing and maximum spark ad-
vance. (If not within specifications, adjustment
will be required).
a. Idle timing: 8 ± 1 degrees B.T.D.C.
b. Maximum spark advance: (22 - 28 Degrees,
Referenceonly).One(1)Turnclockwiseafter
contacting throttle plate.
TIMING AND MAXIMUM SPARK ADVANCE AD-
JUSTMENTS - MECHANICAL SPARK ADVANCE
MODELS
IMPORTANT: Setting the idle timing is required
before adjusting the maximum spark advance.
ADJUSTING IDLE TIMING
14. With the engine “OFF”, snap the trigger link rod
socket off ball stud and:
a. Extend rod length to “ADVANCE” timing
b. Shorten rod length to “RETARD” timing
15. Snap link rod onto ball stud, re-start engine and
cyclethethrottlemechanismthroughpartthrottle
and back to idle three (3) times. Re-check idle
timing and idle R.P.M. specification. Re-adjust if
necessary.
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