General Information - Stihl BG 55 Manual De Instrucciones

(With idle speed screw LA)

General information

The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
With this carburetor it is only possible to
adjust the engine idle speed within fine
limits.
BG 55, BG 65, BG 85, SH 55, SH 85
Standard setting
L
H
: Shut off the engine.
: Turn high speed screw (H)
counterclockwise as far as stop
3
(max. / turn).
4
: Set the low speed screw (L) to one
full turn open.
English / USA
Adjustment for operation at high
altitude or at sea level
A slight correction of the setting may be
necessary if engine power is not
satisfactory when operating at high
altitude or at sea level:
: Check the air filter and clean it if
necessary.
: Warm up the engine.
At high altitude
: Rotate the high speed screw (H)
clockwise (leaner) no further than
stop.
At sea level
: Rotate the high speed screw (H)
counterclockwise (richer) no further
than stop.
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