English
Warning!
To reduce the risk of fire and burn injury,
use only spark plugs authorized by
STIHL. Always press spark plug boot (1)
snugly onto spark plug terminal (2) of
the proper size. (Note: If terminal has
detachable SAE adapter nut, it must be
attached.) A loose connection between
spark plug boot and ignition wire con-
nector in the boot may create arcing that
could ignite combustible fumes and
cause a fire.
Installing the spark plug
Screw home the spark plug, fit the
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boot and press it down firmly.
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Engine Running Behavior
If engine running behavior is
unsatisfactory even though the air filter
1
is clean and the carburetor is properly
adjusted, the cause may be the muffler.
Have the muffler checked for
contamination (carbonization) by your
servicing dealer.
STIHL recommends that you have
2
servicing and repair work carried out
exclusively by an authorized STIHL
servicing dealer.
Replacing the Starter Rope
and Rewind Spring
Replacing the Starter Rope
1
1
2
1
Take out the screws (1).
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Remove the starter cover (2).
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Use a screwdriver or suitable pliers
N
to remove the spring clip (3) from
the starter post.
The rewind spring may pop out
and uncoil during this operation –
take care to avoid the risk of
injury.
wear face protection and work
gloves.
BR 350, BR 430