2000 Polaris Indy 500 / 600 snowmobile service manual, Page 61Get this manual
MAINTENANCETUNE UP Variable Exhaust System V.E.SMaintenance Due to the simplicity of V.E.Sdesign, maintenance is limited to periodic inspection and cleaning of system componentsThe V.E.Sshould be disassembled, inspected, and cleaned (remove carbon deposits) every 1000 to 2000 miles, depending on operating conditionsTo ensure maximum performance and minimize required maintenance, Polaris recommends the use of Premium Gold Synthetic Cycle lubricant onlyThe use of other lubricants may cause improper function of the valve mechanism, and increase the frequency of required cleaning due to excessive buildup of carbon depositsAdjuster nut O-ring Valve cover Spring Valve cap Bellows Washer
Valve housing Dowel pin Gasket Valve
V.E.SRemoval and Cleaning