2002 Bombardier Quest 650XT Service Manual, Page 43Get this manual
Section 03 ENGINE Subsection 02 (TROUBLESHOOTING)
MAGNETO SYSTEM
SYMPTOM CONDITION TestInspection NO SPARKNORMAL USE1Check spark plug electrode conditionaGap is too bigReadjust gap (refer to TECHNICAL DATA)bSpark plug tip light grey and therefore heat range is too highReplace by Bombardier's recommended spark plug (refer to TECHNICAL DATA)2Check single-spark ignition coil for damage andor electrical failureaSingle-spark ignition coil damagedReplace single-spark ignition coilbConnector is corroded or single-spark ignition coil shows electrical failureClean spark plug area and replace single-spark ignition coilcWire harness is brittle or hard (no connection)Replace3Check wire harness for cracks or other damagesaHarness shows electrical failure andor other damagesReplace wire harness4Check magneto for damage andor electrical failureaWindings of stator have electrical failureReplace magnetobConnector on magneto is damaged andor has electrical failureRepair and clean contacts of connector5Check electronic moduleaModule shows electrical failure or violent damagesReplace electronic modulebConnectors are corrodedClean and reconnectcElectronic module has bad groundClean metal surface for good ground