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MAINTENANCE
Exhaust Pipe
WARNING
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 with
exhaust components.
To reduce fire hazard, make sure that there are no
combustible materials in the area when purging the
spark arrestor.
Wear eye protection.
Do not stand behind or in front of the vehicle while
purging the carbon from the spark arrestor.
Never run the engine in an enclosed area.Exhaust
contains poisonous carbon monoxide gas.
Do not go under the machine while it is inclined.Set the
hand 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 plugs located on the bottom of
the muffler.
2. Place the transmission in Park and start the engine.
Purge accumulated carbon from the system by
momentarily revving the engine several times.
2.20
3. If some carbon is expelled, cover the exhaust outlet
4. If particles are still suspected to be in the muffler,
5. If particles are still suspected to be in the muffler,
6. Repeat steps 2 through 5 until no more particles are
7. Stop the engine and allow the arrestor to cool.
8. Reinstall the clean out plugs.
9924871 R03 - 2014 Polaris Sportsman® 570 EFI Service Manual
© Copyright 2013 Polaris Sales Inc.
and lightly tap on the pipe around the clean out plugs
with a rubber mallet while revving the engine several
more times.
back the machine onto an incline so the rear of the
machine is one foot higher than the front. Set the
hand brake and block the wheels. Make sure the
machine is in Park and repeat Steps 2 and 3. SEE
WARNING
drive the machine onto the incline so the front of the
machine is one foot higher than the rear. Set the
hand brake and block the wheels. Make sure the
machine is in Park and repeat Steps 2 and 3. SEE
WARNING
expelled when the engine is revved.
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