ENGINE
3.22
to specifications. Replace spring if either
measurement is out of specification
5. Removevalve seals. CAUTION: Replace seals
whenever the cylinder head is disassembled.
Hardened, crackedorwornvalveseals willcause
excessive oil consumption and carbon buildup.
VALVE INSPECTION
1. Remove all carbon from valve with a soft wire
wheel.
2. Check valve face for runout, pitting, and burnt
spots. To check for bent valve stems, mount
valve in a drill or use “V” blocks and a dial
indicator.
A
B
3. Check end of valve stem for flaring, pitting, wear
or damage (A).
4. Inspect split keeper groove for wear or flaring of
the keeper seat area (B). NOTE: The valves
cannot be re-faced or end ground. They mustbe
replaced if worn, bent, or damaged.
Measure valve stem in
several places.
Valve Stem Diameter:
Intake: .2343- .2348I (5.950- 5.965 mm)
Exhaust: .2341-.2346I (5.945-5.960 mm)
5. Measure diameter of valve stem with a
micrometer in three places and in two different
directions (six measurements total). Compare to
specifications.
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