MS 341, MS 361, MS 361 C
English
82
N If the engine is down on power,
difficult to start or runs poorly at idle
speed, first check the spark plug.
N Fit 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".
Removing the spark plug
N Move the Master Control lever to
stop position (0).
N Loosen the twist lock (1) in the
direction of the arrow.
N Remove the carburetor box
cover (2).
N Pull off the spark plug boot.
N Unscrew the spark plug.
Checking the spark plug
N Clean dirty spark plug.
N Check electrode gap (A) and
readjust if necessary – see
"Specifications".
N Rectify the problems which have
caused fouling of the spark plug.
Possible causes are:
– Too much oil in fuel mix.
– Dirty air filter.
– Unfavorable running conditions.
Installing the spark plug
N Screw home the spark plug, fit the
boot and press it down firmly.
N Fit the carburetor box cover.
Spark Plug
1
213BA009 KN
2
213BA037 KN
000BA039 KN
A
If the spark plug comes with a
detachable adapter nut (1), screw
the adapter onto the thread and
tighten it down firmly to reduce
the risk of arcing and fire.
1
000BA045 KN
213BA037 KN
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