Operation Manual

KM 94 R
English
18
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 chapter
"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 the spark plug
boot (1) snugly onto the spark plug
terminal (2).
Do not use a spark plug with a
detachable SAE adapter terminal (3).
Arcing may occur that could ignite
combustible fumes and cause a fire.
This can result in serious injuries or
damage to property.
N Only use resistor type spark plugs
with solid, non-threaded terminals
Installing the Spark Plug
N Fit the spark plug and tighten it
down firmly.
N Press the boot firmly onto the spark
plug.
N Fit the cap (1), insert the screw (2)
and tighten it down firmly.
3
0208BA038 KN
000BA039 KN
A
2
1
0000-GXX-1831-A0
3
1
2
0208BA039 KN