2007-2009 Suzuki LTZ90 factory service manual, Page 226Get this manual
SERVICING INFORMATION
ELECTRICAL
NO SPARKING OR POOR SPARKING Symptom, possible causes and remedy Defective CDI unit Defective ignition coil Defective spark plug Defective generator coil Loose connection of lead wire Open-circuited wiring connections
ReplaceReplaceReplaceReplaceConnect or tightenCheck and repair