Polaris 2005 440 IQ - Manual (Page 77)

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MAINTENANCE
Variable Exhaust System (VES)
Maintenance of the VES is limited to a periodic inspection and
cleaning of system components. Every 1000 to 2000 miles (800-1600
km), bring the machine to an authorized Polaris dealer to have the VES
disassembled, inspected, and cleaned.
NOTE: To ensure maximum performance and minimize required
maintenance, follow the oil recommendations on page 52.
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.
Fuel Filter/Fuel Lines
Inspect the in-tank fuel filter (1) and fuel
lines regularly. Give special attention to the
system’s fuel line condition after periods of
storage. Normal deterioration from weather
and fuel compounds may occur.
CAUTION
Kinking the fuel lines or using a pliers or similar tools to remove
fuel lines may cause damage to the lines. If a fuel line has been
damaged or kinked, replace it promptly.
1