Polaris 2005 Sportsman MV7 Service Manual page 223

NOTE: It may be helpful to place a mark just above
the keyed spline. Note the raised edge on the detent
gear for reassembly.
6. Mark the shift lockout disc, this will indicate which
side of the disc faces outward during assembly.
Remove the shift lockout disc.
NOTE: It may be helpful to place a mark just above
the keyed spline. Note the raised edge on the detent
gear for reassembly.
7. Remove the shift shaft and detent lever.
8. Note the timing marks on the shift gears. Remove
the shift gears from the case.
NOTE: You may have to tap the shift drum from the
backside of the case to aid in removal.
9. Remove the upper gear cluster and shift forks. You
may need to move the assembly back and forth to
aid in removal.
10. Set the upper gear cluster on a flat surface and
inspect the components.
TRANSMISSION
8.7