2001 Ski-Doo Mini Z Factory Shop Manual, Page 52Get this manual
Section 03 TROUBLESHOOTING Subsection 05 (ELECTRICAL SYSTEM)
SYMPTOM CONDITION TestInspection
ENGINE IS MISFIRING ERRATIC SPARK AT SPARK PLUGRIDING ON WET SNOW1Verify if spark plug wires andor spark plug cap seals are sealing-out moistureaDefective wires andor sealsReplace defective part2Verify if ignition system wiring harness connectors are in good condition andor are sealing-out moistureaLoose connectors, corroded terminals or defective partsClean terminals and apply silicone dielectric greaseReplace defective parts
CONDITION TestInspection
RIDING IN DEEP AND THICK SNOW1Perform all verifications outlined under "Engine does not start no spark at spark plug"2Verify spark plugProceed with spark plug analysis in order to identify source of problemaDefective andor worn spark plug(s) andor cable(s) andor cap(s)Replace defective part(s)Proceed with ignition system testing proceduresPerform engine analysis