2000 Arctic Cat ATV Factory Service Manual, Page 96Get this manual
NOTE: Inspect the inside of the left-side cover for any shaft washers that may have come off with the coverMake sure they are returned to their respective shafts and that the starter idler gear spacer is on the shaft or in the cover DMagneto Rotor EIdle Gear Assembly NOTE: Steps 1-6 in the preceding sub-section must precede this procedure
5Remove the nut securing the rotor to the crankshaftFig3-262