Acura NSX 1991 Manual page 323

Main Menu Table of Contents
Shift Fork, Synchro
Sleeve
Clearance Inspection
1. Measure the clearance between each shift fork and
its matching synchro sleeve.
Standard: 0.45-0.65 mm
(0.018-0.026 in)
Service Limit: 1.0 mm (0.039 in)
SYNCHRO
SLEEVE
2. If the clearance exceeds the service limit, measure
the width of the shift fork fingers.
Standard:
1st/2nd Shift Fork: 8.9-9.0 mm
3rd/4th Shift Fork: 7.4-7.5 mm
5th Shift Fork:
SHIFT FORK
If the width of the shift fork fingers is less than the
standard, replace the shift fork with a new one.
If the width of the shift fork fingers is within the
standard, replace the synchro sleeve with a new
one.
NOTE: The synchro sleeve and synchro hub
should be replaced as a set.
SHIFT FORK
(0.350-0.354 in)
(0.291 - 0.295 in)
6.4—6.5 mm
(0.252-0.256 in)