Polaris Ranger 4X4 Owner's Manual page 55

MAINTENANCE
Periodic Maintenance Chart
Maintenance Chart Key
Perform these operations more often for vehicles subjected to
severe use.
E Emission Control System Service - 4 Cycle (California)
Have an authorized Polaris dealer perform these services.
WARNING! Improperly performing the procedures marked with a could result
in component failure and lead to serious injury or death. Have an authorized
Polaris dealer perform these services.
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