42
English / USA
MS 650, MS 660
: Open the twist lock above the rear
handle and remove the carburetor
box cover.
: Pull off the filter.
If there is a noticeable loss of engine
power:
: Knock the filter out on the palm of
your hand or blow it out with
compressed air from the inside
outward.
In case of stubborn dirt or sticky filter
fabric:
: Wash the filter in a fresh, non-
flammable solution (e.g. warm
soapy water) and then dry.
: Do not impregnate the standard
filter with oil.
Always replace a damaged filter.
: Refit the filter.
If there is a noticeable loss of engine
power:
: Clean the felt prefilter (1).
After cleaning the prefilter several times:
: Separate the filter components.
: Knock the HD filter (2) out on the
palm of your hand and blow it out
with compressed air from the inside
outward.
Removing the Air Filter
145BA027 K145BA028 K
Cleaning Standard Filter
137BA013 KN
Cleaning HD Filter
2
1
176BA005 KN