3-15
INSP
ADJ
E
PERIODIC SERVICE
D33000-0
IDLE-SPEED
1. Turn the pilot screw until it is lightly
seated.
2. Turn the pilot screw outward to specifi-
cation.
Pilot screw:
25hp:
3/4 ± 1/4
30hp:
No. 1: 3/4 ± 1/4 turns out
No. 2: 1-3/4 ± 1/4 turns out
No. 3: 1 ± 1/4 turns out
3. Start the motor, and allow it to warm up
for a few minutes.
4. Set the idle-speed to the specified level
by setting the throttle stop-screw. Use a
tachometer for checking the speed
when adjusting the motor speed.
NOTE:
Turning the throttle stop-screw clockwise
increases the motor speed; turning it coun-
terclockwise decreases the motor speed.
Idle speed:
750 ± 50 rpm
1,050 ± 50 rpm (PTT models)
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