Starter Assembly

Loosen the nut which holds the terminal M of switch assembly, and then disconnect the connector.
Remove the bolts which hold the switch assembly, and then remove switch assembly, plunger and plunger spring from starter as a unit.
NOTE: Be careful because the pinion gap adjustment washer may sometimes be used on the mounting surface of switch assembly.

Fig 1: Removing Bolts To Hold Switch Assembly
Courtesy of SUBARU OF AMERICA, INC.
Remove both through-bolts and brush holder screws, and then detach the rear cover and brush holder.

Fig 2: Detaching Rear Cover And Brush Holder
Courtesy of SUBARU OF AMERICA, INC.
Remove the armature and yoke from front bracket. The ball used as a bearing will come off from the armature end.
NOTE: Before removal of the yoke, put alignment marks on the yoke and front bracket.

Fig 3: Removing Armature And Yoke From Front Bracket
Courtesy of SUBARU OF AMERICA, INC.
Remove packing A, planetary gears, packing B and plate.

Fig 4: Identifying Packing
Courtesy of SUBARU OF AMERICA, INC.
Remove the shaft assembly and overrunning clutch as a unit.
NOTE: Note the direction of the lever before removing.

Fig 5: Removing Shaft Assembly And Overrunning Clutch
Courtesy of SUBARU OF AMERICA, INC.
Remove the overrunning clutch from shaft assembly as follows:
1. Remove the stopper from ring by lightly tapping the stopper with an appropriate tool (such as a fit socket wrench).
2. Remove the ring, stopper and clutch from shaft.
  
  Fig 6: Removing Ring, Stopper And Clutch From Shaft
  Courtesy of SUBARU OF AMERICA, INC.