BRP DS70 - Manual (Page 105)

Clean air injection valve cover before
removing.
Remove cover to gain access to air
filter.
vmo2008-020-001_a
1. Remove screws
Remove filter from air injection valve.
vmo2007-008-004_a
TYPICAL
1. Air injection valve
2. Screen
3. Air filter
Clean air filter and the inside of air in-
jection valve using pressurized air.
NOTE: If the air filter is still dirty, re-
place it with a new one.
When finished, properly reinstall re-
moved parts in the reverse order of
their removal.
Spark Arrester Cleaning
The muffler must be periodically
purged of accumulated carbon.
ƽ
WARNING
Never perform this operation im-
mediately after the engine has
been run because exhaust system
is very hot. Wear eye protection
and gloves. Respect all applicable
laws and regulations.
Remove muffler cover (if applicable).
vmo2008-020-013_a
DS90 X ONLY
1. Cover
2. Remove screws
Remove the spark arrester from the
muffler.
vmo2008-008-041_a
1. Spark arrester
2. Muffler tip
Remove carbon deposits from the
spark arrester using a brush.
NOTE: Use a soft brush and be careful
to avoid damaging spark arrester.
Reinstall the spark arrester in muffler
and muffler cover (if applicable).
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