2001 Arctic Cat ATVs factory service and repair manual, Page 422Get this manual
Electrical Problem: Spark absent or weak Condition 1Ignition coil defective 2Spark plug defective 3Magneto defective 4CDI unit defective 5Pick-up coil defective Problem: Spark plug fouled with carbon Condition 1Mixture too rich 2Idling RPM too high 3Gasoline incorrect 4Air cleaner element dirty 5Spark plug incorrect (too cold) Problem: Spark plug electrodes overheat or burn Condition 1Spark plug incorrect (too hot) 2Engine overheats 3Spark plug loose 4Mixture too lean Problem: Magneto does not charge Condition 1Lead wiresconnections shorted loose open 2Magneto coils shorted grounded open 3Regulatorrectifier shorted punctured Condition 1Lead wires shorted open loose (at terminals) 2Stator coils (magneto) grounded open 3Regulatorrectifier defecitve 4Electrolyte low 5Cell plates (battery) defective Remedy 1Repair replace tighten lead wires 2Replace magneto coils 3Replace regulatorrectifier Remedy 1Repair tighten lead wires 2Replace stator coils 3Replace regulatorrectifier 4Add distilled water 5Replace battery Remedy 1Replace plug 2Service cooling system 3Tighten plug 4Adjust carburetor Remedy 1Adjust carburetor 2Adjust carburetor 3Change to correct gasoline 4Clean element 5Replace plug Remedy 1Replace ignition coil 2Replace plug 3Replace magneto 4Replace CDI unit 5Replace pick-up coil