Polaris Ranger 4x4 700 EFI Owner's Manual page 89

MAINTENANCE
Spark Arrestor
Failure to heed the following warnings while servicing the spark arrestor
could result in serious injury or death.
Do not perform service on the spark arrestor while the system is hot. Exhaust
system temperatures can reach 1000° F. Allow components to cool
sufficiently before proceeding.
Remove any combustible materials from the area.
Wear eye protection and gloves.
Do not stand behind or in front of the vehicle while purging.
Never run the engine in an enclosed area. Exhaust contains poisonous
carbon monoxide gas that can cause loss of consciousness or death in a
very short time.
Never go under the vehicle while it's inclined.
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WARNING