1981 Ski-Doo Shop Manual Supplement, Page 17Get this manual
SECTION 02 SUB-SECTION (05-04)
DRIVEN PULLEY SPRING TENSION
ELAN, SPIRIT CITATION 3500, MIRAGE CITATION 4500E, MIRAGE IIiE CITATION SSMIRAGE SPECIAL EVEREST 500E, FUTURA 500E EVEREST LC, FUTURA LC BLIZZARD 5500, GRAND PRIX SPECIAL BLIZZARD MXGRAND PRIX MX BLIZZARD 7500, SUPER SONIC BLIZZARD 9500, ULTRA SONIC ELITE ALPINE 640 ER NORDIK