M-Tronic; Spark Arresting Screen In Muffler; Spark Plug - Stihl MS 201 C-M Notice D'emploi

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M-Tronic

Basic information
M-Tronic regulates the fuel quantity and
ignition timing for all operating states
electronically.
M-Tronic stands for easy, fast starting,
constant optimum engine performance,
outstanding acceleration and automatic
adaptation to changes in operating
conditions.
Manual carburetor adjustments are no
longer required – the carburetor does
not have any adjusting screws.
Automatic adjustment
Under extremely changed operating
conditions, attainment of the optimal
setting can be accelerated as follows:
Carry out five uniform cuts to length
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under full load
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Spark Arresting Screen in
Muffler
If the engine is down on power,
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check the spark arresting screen in
the muffler.
Wait for the muffler to cool down.
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Remove the chain sprocket cover –
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see "Mounting the Bar and Chain"
Take out the screw (1).
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2
Pull out the spark arresting
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screen (2).
Clean the spark arresting screen. If
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the screen is damaged or heavily
carbonized, fit a new one.
Refit the spark arresting screen.
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Insert the screw.
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Fit the chain sprocket cover.
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Spark Plug

If the engine is down on power,
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difficult to start or runs poorly at idle
speed, first check the spark plug.
Fit a new spark plug after about 100
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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
1
Move the Master Control lever to the
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stop position (0).
Disengage the chain brake.
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MS 201 C-M