BR 380
English
17
N
Install a new spark plug after about
100 operating hours – or sooner if
the electrodes are badly eroded.
Install only suppressed spark plugs
of the type approved by STIHL – see
"Specifications".
To reduce the risk of arcing and fire
If the spark plug comes with a
detachable adapter nut:
N
Screw the adapter nut (1) onto the
thread and tighten it down firmly.
On all spark plugs
N
Always press the boot (2) firmly on
to the spark plug (3).
If engine running behavior is
unsatisfactory even though the air filter
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
servicing and repair work carried out
exclusively by an authorized STIHL
servicing dealer.
1
000BA045 KN
3
000BA050 KN
2
Engine Running Behavior
Summary of Contents for BR 380
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