MTD P90 series Shop Manual page 68

P90 Series Vertical Shaft Engines
To re-assembly a starter motor:
1. Press the bushing into starter gear housing until
there is 0.055" (1.4 mm) sticking out.
See Figure 6.18.
2. Press the rotor's upper bearing into the clutch/pinion
cover until it is flush with the cover. See Figure 6.19.
3. Press the bushing into the clutch/pinion cover until it
is flush. See Figure 6.20.
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Figure 6.18
Figure 6.19
Bushing is flush with the casting
Figure 6.20
0.055"
Bearing