1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 307Get this manual
ELECTRICAL Starter Motor Starter Motor Disassembly
5Measure resistance between starter input terminal and insulated brushesReading should be .3 ohms or lessRemember to subtract meter lead resistanceMeasure resistance between insulated brush and starter housingReading should be infinite(OL)Inspect insulation on brush wires for damage and repair or replace as necessarySlide positive brush springs to the side, pull brushes out of their guides and remove brush plateSlide brush end frame off end of starterNOTE: The electrical input post must stay with the field coil housing8