Dolmar 109 - Carburettor; Adjusting the Carburettor; Removing the Carburettor; Adjusting the Control Lever

DOLMAR GmbH
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2
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5
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11
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06 Carburettor
06-01 Adjusting the carburettor
To perform the basic adjustment, carefully
screw in screws L and H against the stop.
Then back off:
idling jet (L) = 1 turn (max. +1/4)
compensation jet (H) =1 turn (max. -1/4)
.
06-01 Adjusting the carburettor
Adjustment of engine speed during idling is by
idling adjustment screw (S). When the engine
speed is excessive (moving chain) or too low
(engine stops) correct accordingly by means
of the idling adjustment screw.
06-03 Adjusting the control lever
The control lever (5) must be aligned so that
its surface is in parallel with the carburettor
body (refer to arrow).
06-03 Carburettor (Tillotson) control side
Remove cover (5), control diaphragm (6) and
seal (7). Unscrew the screw (8). The control
assembly (9) comprises the inlet needle,
rocker arm, spring and shaft.
06-02 Removing the carburettor
Remove filter cover and hood. Separate the
fuel pipe (1) from the connection nipple.
Unscrew the screws (2). Remove the choke
lever (3) and carburettor linkage (4) after
removal of the carburettor.
06-03 Carburettor (Walbro) control side
Remove cover (10) control diaphragm (11)
and seal (12). Unscrew the screw (13). The
control assembly (14) comprises the inlet
needle, rocker arm and shaft.