nsxd06041a.pdf

Intake Valve Dimensions
A Standard (New): 34.9 — 35.1 mm
(1.374-1.382 in)
B Standard (New): 111.05-111.40 mm
(4.372-4.386 in)
C Standard (New): 5.475—5.485 mm
(0.2156-0.2159 in)
C Service Limit: 5.445 mm (0.2144 in)
D Standard (New): 1.05—1.35 mm
(0.041-0.053 in)
D Service Limit: 0.85 mm (0.033 in)
Exhaust Valve Dimensions
A Standard (New): 29.9—30.1 mm
(1.177-1.185 in)
B Standard (New): 109.60-109.90 mm
(4.315-4.327 in)
C Standard (New): 5.45-5.46 mm
(0.2146-0.2150 in)
C Service Limit: 5.42 mm (0.2134 in)
D Standard (New): 1.65—1.95 mm
(0.065-0.077 in)
D Service Limit: 1.45 mm (0.057 in)
Cylinder Head Height;
Standard (New): 150.95-151.05
(5.943-5.947 in)
Service Limit: 150.8 mm (5.937 in)
Measure along edges, and 3 ways across center.
NOTE: If camshaft-to-holder oil clearances (page 6-38)
are not within specification, the head cannot be
resurfaced.
If camshaft-to-holder oil clearances are within
specifications, check the head for warpage.
Cylinder Heads
Warpage
If warpage is less than 0.05 mm (0.002 in) cylinder
head resurfacing is not required.
If warpage is between 0.05 mm (0.002 in) and 0.2
mm (0.008 in), resurface cylinder head.
Maximum resurface limit is 0.2 mm (0.008 in) based
on a height of 151 mm (5.945 in).
PRECISION STRAIGHT EDGE