Operation Manual

BR 450, BR 450 C
English
19
Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
If there is a noticeable loss of engine
power
N Turn the choke knob to c .
N Loosen the screws (1).
N Remove the filter cover (2).
N Remove the filter element (3).
N Replace dirty or damaged filters.
N Fit the new filter in the filter housing.
N Fit the filter cover.
N Fit the screws and tighten them
down firmly.
General Information
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
Preparations
N Shut off the engine.
N Check the air filter and clean or
replace if necessary.
N Check that the throttle cable is
properly adjusted – readjust if
necessary – see chapter on
"Adjusting the Throttle Cable".
N Check the spark arresting screen
(not in all models, country-specific)
in the muffler and clean or replace if
necessary.
Replacing the Air Filter
1
0002BA088 KN
1
2
0002BA089 KN
3
Adjusting the Carburetor