1997 Ski-Doo Factory Shop Manual Volume Two, Page 38Get this manual
Section 02 TROUBLESHOOTING Sub-Section 04 (TRANSMISSION AND BRAKE SYSTEMS)
SYMPTOM CONDITION TestInspection
PULLEYS DO NOT DOWN SHIFT PROPERLY NORMAL USE 1Check driven pulley spring tensiona.Spring tension is too weakAdjust according to specifications (refer to TECHNICAL DATA 09)2Refer to "Vibrations coming from driven pulley" and check items listed3Check drive pulley bushings (cleanliness, wear, etca.Bushings stick to fixed half pulley shaftClean or replace4Check driven pulley spring tensiona.Spring tension is too weakReplace
SYMPTOM CONDITION TestInspection