1989 Ski-Doo Repair Manual, Page 240Get this manual

1989 Ski-Doo Repair Manual, Page 240

Section 02 ENGINE Sub-section 11 (AIR INTAKE SILENCERFUEL TANK)
Bend until stoppers just contact the inner tip of lever

AO'S 002 002

NOTE: Should the vehicle be used in powder snow, air filter may clog causing "choke effect"Check regularly and dryas needed
31,32, Fuel tank, retainer
When installing fuel tank, position retainers so that fuel tank has 1.6 mm (116 in) of play to allow expansion