2003 Polaris Deep Snow Snowmobiles Service Manual, Page 36Get this manual

2003 Polaris Deep Snow Snowmobiles Service Manual, Page 36

MAINTENANCE Air Filter Maintenance
The intake foam filter limits snow ingestion into the intake systemWhen operating in loose powder snow, check top of foam filter periodically to remove any accumulation of snowCAUTION: Do not operate machine with the intake filters removedThis can cause carburetor icing resulting in poor fuel economy or carburetor malfunctionA A

Key Components
A Intake Foam Filter Air Intake Box