Inspection - Honda Acura NSX 1991 Service Manual

Mainshaft Assembly
2. Support 5th gear on steel blocks as shown and
press the shaft out of the 5th synchro hub.
3. In the same manner as above, support the 3rd gear
on steel blocks and press the shaft out of the

Inspection

1. Inspect the gear surface and bearing surface for
wear or damage, then measure the mainshaft at
points A, B and C.
Standard:
A (Ball bearing surface):
B (Needle bearing surface): 42.984-43.000 mm
SYNCHRO HUB
C (Ball bearing surface):
30.984-31 .OOO mm
Service limit:
Inspect oil passages for clogging.
Inspect for wear or damage.
If any part of the mainshaft is less than the service
limit, replace it with a new one.