44
English / USA
MS 170, MS 180, MS 180 C
Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
Clean the air filter when there is a
noticeable loss of engine power:
: Press down the interlock lever and
squeeze throttle trigger at the same
time, set the Master Control lever to
cold starter position l.
: Turn the twist lock above the rear
handle 90° counterclockwise.
: Lift off the shroud vertically.
: Remove the filter upwards.
: Wash the filter in a clean, non-
flammable solution (e.g. warm
soapy water) and then dry.
Always replace a damaged filter.
: Reinstall the air filter.
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
Cleaning the Air Filter
143BA022 KN
143BA054 ST
Motor Management
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