36
English
FS 120, FS 200, FS 250
: Unscrew and dry off the spark plug.
: Open the throttle wide.
: Crank the engine several times with
the starter to clear the combustion
chamber.
: Refit the spark plug. Connect the
spark plug boot (press it down
firmly).
: Move the slide control to START.
: Set the choke knob to e –
even if engine is cold.
: Now start the engine.
Throttle cable adjustment
: Check adjustment of throttle cable –
see chapter on "Adjusting the
Throttle Cable".
Tank run until dry
: After refueling, press the fuel pump
bulb at least five times – even if bulb
is filled with fuel.
: Set choke knob according to engine
temperature.
: Now start the engine.
During break-in period
A factory new machine should not be run
at high revs (full throttle off load) for the
first three tank fillings. This avoids
unnecessary high loads during the
break-in period.
As all moving parts have to bed in during
the break-in period, the frictional
resistances in the engine are greater
during this period.
The engine develops its maximum
power after about 5 to 15 tank fillings.
During operation
After a long period of full-throttle
operation, allow engine to run for a while
at idle speed so that the heat in the
engine can be dissipated by flow of
cooling air. This protects engine-
mounted components (ignition,
carburetor) from thermal overload.
After finishing work
Storing for short period:
Wait for engine to cool down. Drain the
fuel tank and keep the unit in a dry place,
away from sources of ignition, until you
need it again.
Storing for a long period:
see chapter "Storing the Machine".
Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
If there is a noticeable loss of engine
power:
: Set the choke knob to g
: Press in the tab (1) and remove the
filter cover (2).
: Clean away loose dirt from inside
the cover and around the filter (3).
Operating Instructions Cleaning the Air Filter
1
2
3
250BA022 KN
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