Polaris Sportsman 450 2021 Owner's Manual page 139

SPARK ARRESTER
Do not perform clean out immediately after the engine has been run, as the
exhaust system becomes very hot. Serious burns could result from contact
To reduce fire hazard, make sure that there are no combustible materials in the
Do not stand behind or in front of the vehicle while purging the carbon from the
Never run the engine in an enclosed area. Exhaust contains poisonous carbon
Do not go under the machine while it is inclined. Place the transmission in
PARK, lock the parking brake, and block the wheels to prevent roll back.
Failure to heed these warnings could result in serious personal injury or death.
The exhaust pipe must be periodically purged of accumulated carbon as follows:
1. Remove the clean out bolt
2. Place the transmission in Park and start the engine. Purge accumulated
carbon from the system by momentarily revving the engine several times.
3. If some carbon is expelled, cover the exhaust outlet
pipe around the clean out bolt weld nut with a rubber mallet while revving the
engine several more times.
WARNING
with exhaust components.
area when purging the spark arrestor.
Wear eye protection.
spark arrestor.
monoxide gas.
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located on the bottom of the muffler.
MAINTENANCE
w
and lightly tap on the
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