'Valve springs
Inspect each spring for cracks, and check it for square
ness, free length and as-installed length against these
specifications:
Specifications
Unit: mm (in.)
Item
Standard
Repair
limit
Valve spring free length
48.85
47.6
(·1.9232)
(l.874)
Valve spring squareness
1.5
°
,
max
Load compress spring to
initial working lenfth
19 ± 1
15
(43 mm (1.69 in.)
(41.9 ± 2.21)
(33.08)
kg(lb)
Exhaust manifold
If the flange faces are warped by more than 0.2 mm
(0.0079 in.) when checke<;l as shown, grind them smooth
and flat. If any flange is found cracked, replace the
manifold.
Checking valve spring
Checking valve spring for squareness
Checking exhaust manifold flange surface for flatness