1. If the clearance is out of standard, remove the 41 x 68 mm thrust washer and measure its thickness.

1. Select and install a new thrust washer, then recheck.
   THRUST WASHER, 41 x 68 mm

   No. | Part Number | Thickness
   --- | --- | ---
   1 | 90414-PRP-000 | 6.35 mm (0.250 in.)
   2 | 90415-PRP-000 | 6.40 mm (0.252 in.)
   3 | 90416-PRP-000 | 6.45 mm (0.254 in.)
   4 | 90417-PRP-000 | 6.50 mm (0.256 in.)
   5 | 90418-PRP-000 | 6.55 mm (0.258 in.)
   6 | 90419-PRP-000 | 6.60 mm (0.260 in.)

1. After replacing the thrust washer, make sure the clearance is within standard.

1. Disassemble the shaft and gears.

1. Reinstall the bearing in the transmission housing.