1984 Ski-Doo Shop Manual, Page 88Get this manual
SECTION 02 ENG INE
SUB-SECTION 04 (447 ENGINE TYPE)
ADJUSTMENT
Prior to adjusting the pump, make sure all carburetor adjustments are completed To synchronize pump with carburetor: Eliminate the throttle cable free-play by pressing the throttle lever until light resistance is felt, then hold in placeThe aligning marks on the pump casting and on the lever must alignIf not, loosen the adjuster nut and adjust accordinglyRetighten the adjuster nut