Honda Acura NSX 1991 Service Manual page 113

e
7. If camshaft bearing radial clearance is out of
tolerance:
must replace the cylinder head.
tal runout with the camshaft supported on V-
blocks.
Camshaft Total Runout:
Standard (New):
Service Limit:
ance, replace the cylinder head.
camshaft and recheck. If the bearing clearance
is still out of tolerance, replace the cylinder head.
0.015 mm (0.0005 in)
0.030 mm (0.0012 in)
8. Check cam lobe height wear.
Cam lobe height standard (New):
M/T
I
INTAKE
PRIMARY 37.086 mm
MID
38.037 mm
SECONDARY 37*326 mm
r
INTAKE
37.266 mm
PRIMARY
(1.4672 in)
37.655 mm
MID
(1.4825 in)
37.504 mm
in)
Check this area for wear.
Cam position
P : Primary
S : Secondary
EXHAUST
36.559 mm
37.398 mm
36.741 mm
EXHAUST
36.559 mm
Il.4393 in)
37.398 mm
36.741 mm
(1.4465 in)