Stihl FS 250 R Product Instruction Manual - Page 39

Motor Management, Adjusting the Carburetor - air filter

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English / USA Motor Management Adjusting the Carburetor : Remove the filter element and inspect it - replace if dirty or damaged - do not clean. : Install filter element in the cover. : Refit the filter cover. Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. carburation, ignition, timing and valve or port timing) without the addition of any major hardware. H L 1 LA 250BA039 KN General Information The carburetor comes from the factory with a standard setting. This setting is designed to provide 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. 38 FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R

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38
English / USA
FS 120, FS 120 R, FS 200, FS 200 R, FS 250, FS 250 R
:
Remove the filter element and
inspect it – replace if dirty or
damaged – do not clean.
:
Install filter element in the cover.
:
Refit the filter cover.
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
General Information
The carburetor comes from the factory
with a standard setting.
This setting is designed to provide 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.
Motor Management
Adjusting the Carburetor
LA
H
L
1
250BA039 KN