Owner's Manual

STIHL FS 94 R
English
30
N Unplug spark plug boot (3)
N Unscrew spark plug
Checking the Spark Plug
N Clean dirty spark plug.
N Check electrode gap (A) and
readjust if necessary – see
"Specifications".
N Use only resistor type spark plugs of
the approved range.
Rectify problems which have caused
fouling of spark plug:
– Too much oil in fuel mix.
– Dirty air filter.
– Unfavorable running conditions,
e.g. operating at part load.
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
connector in the boot may create arcing
that could ignite combustible fumes and
cause a fire.
Installing the spark plug
N Screw in spark plug
N Press spark plug boot firmly onto
spark plug
N Fit cap (1), insert and tighten
screw (2)
3
0208BA038 KN
000BA039 KN
A
2
1
002BA363 KN
1
2
0208BA039 KN