68
MAINTENANCE
Intake Filters
The intake foam filters limit snow
ingestion into the intake system.
When operating in loose powder
snow, check the foam filters peri-
odically to remove any accumula-
tion of snow.
NOTICE: Operating the snowmobile
with the intake filters
removed may cause carbu-
retor icing. The result will
be poor fuel economy or
carburetor malfunction.
Always reinstall the intake
filters before operating the
snowmobile.
Variable Exhaust System (VES)
Maintenance of the VES is limited to a periodic inspection and cleaning
of system components. Bring the machine to an authorized POLARIS
dealer to have the VES disassembled, inspected and cleaned at the inter-
vals outlined in the maintenance charts beginning on page 59.
To ensure maximum performance and minimize required maintenance,
follow the oil recommendations on page 49. The use of other lubricants
may cause improper function of the valve mechanism and increase the
frequency of required cleaning due to excessive build-up of carbon
deposits.
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