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Yamaha 25BMH Manuel D'entretien page 116

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CHK
CONTROL SYSTEM
ADJ
2. Adjustment with full-open throttle:
Magnet base stopper
CAUTION:
• Make sure that engine is not running.
• Remove the plug caps.
Adjustment steps
(1) Set the shift lever
tion.
(2) Move the throttle
tion.
(3) Slowly turn the flywheel clockwise to
align the full advanced timing mark
with the specified position on the tim-
ing indicator.
Ignition timing (at full advance)
25B: BTDC 22° ± 2°
30H: BTDC 25° ± 2°
(4) Turn the magnet base
a
ing mark
comes in line with the ignition mark
on the rotor.
(5) Check that the magnet base stopper
is in contact with the stopper on the
engine body (full-open end stopper)
3-6
1
in forward posi-
2
to full-open posi-
3
until the tim-
stamped on the port side
E
b
4
5
.

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Ce manuel est également adapté pour:

30hmh