Acura NSX 1991 Manual page 325

Main Menu
6. Measure the clearance between the spacer collar
and 5th gear.
Standard: 0.06—0.21 mm
(0.002-0.008 in)
Service Limit: 0.3 mm (0.012 in)
4TH GEAR
7. If the clearance exceeds the service limit, measure
distance on the spacer collar.
Standard: 28.53—28.58 mm
(1.123-1.125 in)
Service Limit: 28.51 mm (1.122 in)
5TH GEAR
SIDE
8. If distance is less than the service limit, replace
the spacer collar with a new one.
If distance is within the service limit, measure
thickness of 5th gear.
Standard: 34.92-34.97 mm
(1.375-1.377 in)
Service Limit: 34.80 mm (1.370 in)
If the thickness of 5th gear is less than the service
limit, replace 5th gear with a new one.
If the thickness of 5th gear is within the service
limit, replace the 5th synchro hub with a new one.
Table of Contents
5TH GEAR
SPACER
COLLAR
5TH GEAR