2009 Arctic Cat Prowler XTZ ATV Service Manual, Page 113Get this manual
Troubleshooting Problem: Spark absent or weak Condition Remedy 1Ignition coil defective 1Replace ignition coil 2Spark plug defective 2Replace plug 3Magneto defective 3Replace magneto 4ECU defective 4Replace ECU 5Pick-up coil defective 5Replace pick-up coil Problem: Spark plug fouled with carbon Condition Remedy 1Gasoline incorrect 1Change to correct gasoline 2Air cleaner element dirty 2Clean element 3Spark plug incorrect (too cold) 3Replace plug 4Valve seals crackedmissing 4Replace seals 5Oil rings wornbroken 5Replace rings Problem: Spark plug electrodes overheat or burn Condition Remedy 1Spark plug incorrect (too hot) 1Replace plug 2Engine overheats 2Service cooling system 3Spark plug loose 3Tighten plug Problem: Battery does not charge Condition Remedy 1Lead wiresconnections shortedlooseopen 1Repairreplacetighten lead wires 2Magneto coils shortedgroundedopen 2Replace magneto coils 3Regulatorrectifier shortedpunctured 3Replace regulatorrectifier Problem: Battery charges, but charging rate is below the specification Condition Remedy 1Lead wires shortedopenloose (at terminals) 1Repairtighten lead wires 2Stator coils (magneto) groundedopen 2Replace stator coils 3Regulatorrectifier defective 3Replace regulatorrectifier 4Electrolyte low 4Add distilled water 5Cell plates (battery) defective 5Replace battery Problem: Magneto overcharges Condition Remedy 1Internal battery short circuited 1Replace battery 2Regulatorrectifier resistor damageddefective 2Replace resistor 3Regulatorrectifier poorly grounded 3Cleantighten ground connection Problem: Charging unstable Condition Remedy 1Lead wire intermittently shorting 1Replace lead wire 2Magneto internally shorted 2Replace magneto 3Regulatorrectifier defective 3Replace regulatorrectifier