Service manual

3-5
INSP
ADJ
E
PERIODIC SERVICE
D32900-0
GEAR OIL
1. Drain the gear oil thoroughly and pour
in new oil.
2. Check for water or metallic sediment in
the drained oil.
NOTE:
If the gear oil becomes “milky”, check the
gear case oil seals and shift boot for water
entry.
D33000-0*
IDLE-SPEED
1. Turn the pilot screw until it is lightly
seated.
2. Turn the pilot screw outward to the
specified setting.
3. Start the motor and allow it to warm up
for a few minutes.
Pilot screw [stamped mark]:
62F00, 6H210, 6H007, 6H015:
1-3/8 ± 1/4 turns out
6H20A: 1-1/2 ± 1/4 turns out
6H30A, 6H107:
1-1/4 ± 1/4 turns out
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.
Tachometer:
YU-8036-A/90890-06760
Idle speed:
800 ± 50 rpm