2010 Arctic Cat DVX 90 / 90 Utility ATV Service Manual, Page 67Get this manual
Problem: Magneto does not charge Condition 1Lead wiresconnections shortedlooseopen 2Magneto coils shortedgroundedopen 3Regulatorrectifier shortedpunctured
1Repairreplacetighten lead wires 2Replace magneto coils 3Replace regulatorrectifier
Problem: Magneto charges, but charging rate is below the specification Condition Remedy
1234Lead wires shortedopenloose (at terminals) Stator coils (magneto) groundedopen Regulatorrectifier defective Cell plates (battery) defective 1234Repairtighten lead wires Replace stator coils Replace regulatorrectifier Replace battery
Problem: Magneto overcharges Condition
1Internal battery short circuited 2Regulatorrectifier resistor damageddefective 3Regulatorrectifier poorly grounded
1Replace battery 2Replace resistor 3Cleantighten ground connection
Problem: Charging unstable Condition
1Lead wire intermittently shorting 2Magneto internally shorted 3Regulatorrectifier defective