Spark Arresting Screen In Muffler; Spark Plug - Stihl MS 200 T Instruction Manual

Spark Arresting Screen in
Muffler
In some countries, the muffler is fitted
with a spark arresting screen.
N If engine performance deteriorates,
check the spark arresting screen in
the muffler
N Let the muffler cool down
N Remove screw (1)
2
N Pull out spark arresting screen (2)
N Clean the dirty spark arresting
screen, replace if damaged or
heavily carbonized
N Reinsert spark arresting screen
N Fit screw
MS 200 T

Spark Plug

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 the
stop position (0).
N Disengage the chain brake.
N Remove the sprocket cover.
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.
English
A
25