Apply grease to the shaft sliding surfaces of the internal gear assembly.
Grease:

Multemp #6129 or equivalent
Assemble the shaft to the internal gear assembly.

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Assemble the overrunning clutch as follows:

Apply grease to the spline portion of the shaft.
Grease:

Multemp #6129 or equivalent

Install the overrunning clutch to shaft.

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Pass stopper (B) through the shaft assembly, and attach snap ring (A).

NOTE: Use new stoppers and snap rings.

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Using a press, pressure fit stopper (B) into snap ring (A).

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Assemble the overrunning clutch, internal gear assembly, shaft and shift lever as a single unit into the starter housing assembly.
NOTE: Apply grease to the moving parts of the shift lever.

Grease:

Multemp #6129 or equivalent

Courtesy of SUBARU OF AMERICA, INC.
Apply grease to the inside of the internal gear assembly and pinion gear, and attach the pinion gear to the internal gear assembly.
NOTE:
- Apply grease evenly to the contact surfaces of each gear.
- Be careful that no debris becomes attached.
Grease:

Molykote® AG650 or equivalent

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Install seal rubber (A), plate (B), and seal rubber (C).

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Assemble the armature assembly to the yoke assembly.

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Attach the armature assembly and yoke assembly to the starter housing assembly together as a single unit.
NOTE: As shown in the figure, match the protrusion of the yoke assembly to the cut out of the starter housing assembly.

Courtesy of SUBARU OF AMERICA, INC.

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Use an appropriate tool (such as correctly sized socket wrenches) and attach the brush holder assembly to the armature assembly.
NOTE: Be careful not to damage the brushes.

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Secure starter cover assembly to the brush holder assembly with screws (A).
Tightening torque:

1.4 N.m (0.1 kgf-m, 1.0 ft-lb)
Tighten through bolts (B) on both sides.
Tightening torque:

6 N.m (0.6 kgf-m, 4.4 ft-lb)

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Attach the magnet switch assembly to the starter housing assembly.
Tightening torque:

7.5 N.m (0.8 kgf-m, 5.5 ft-lb)

Courtesy of SUBARU OF AMERICA, INC.
Connect the cable to the terminal M of the magnet switch assembly.
Tightening torque:

10 N.m (1.0 kgf-m, 7.4 ft-lb)