Honda Acura NSX 1991 Service Manual page 1062

Starting System
Starter interlock System (MIT
The starter interlock system prevents the engine from starting unless the clutch pedal is fully depressed.
The clutch interlock switch turns on at the position where
depressed position.
NOTE: Full stroke of clutch pedal is 135-145 mm (5.3-5.7 in) from fully released position.
23-76
only):
d
Fully Deprksed
the
clutch disengages: 15-20 mm (0.59-0.79 in) from fully
CLUTCH INTERLOCK SWITCH
IS-20 mm (0.59-0.79
Position
in.)