2003 Ski-Doo ZX Series Factory Shop Manual, Page 91Get this manual
Section 03 TROUBLESHOOTING Subsection 05 (ELECTRICAL SYSTEM)
7Check ring gearaWorn ring gearReplace ring gear8Check for proper starter rotation directionaStarter turns in wrong direction, incorrectly installed brushes, wrong polarity or wrong starterReplace starter or reconnect properlySYMPTOM CONDITION TESTINSPECTION ELECTRIC STARTER KEEPS TURNING WHEN ENGINE IS STARTEDNORMAL USE1Check clutchaJammed clutch pinion gearReplace or clean2Check movement of clutch on splinesaClutch is stuck on splinesClean3Check starter bracketsaBroken bracket(s)Replace bracket(s)4On fan-cooled models check ignition switchaIgnition switch does not return to its ON position or is short-circuitedAdjust switch positionFace nut is too far in5Check starter relayaShorted starter relay winding(s)Replace starter relay6Check starter relay contactsaMelted starter relay contactsReplace starter relay7Check starter relayaStarter relay returns poorlyReplace starter relaySYMPTOM CONDITION TESTINSPECTION NOISE OCCURENCE WHEN STARTING ENGINENORMAL USE1Check if ring gear is well-mounted to drive pulley fixed halfaLoose andor broken boltsRetighten bolts using thread locker or replace ring gear and drive pulley fixed half