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Valve Spring Free Length Specification
1.555 - 1.594”
(39.5-40.5 mm)
Valve Seat Width Inspection
Remove carbon deposits from the combustion chamber. Inspect the valve
seats for pitting or other damage.
Valve Seat Width Specification:
0.03149 - 0.0393”
(0.8-1.0 mm)
Cylinder Head Warp Inspection
- Remove carbon deposits from the combustion
chamber.
- Clean off any gasket material from the
cylinder head surface.
- Check the spark plug hole and valve areas for cracks.
- Check the cylinder head for warpage with a straight
edge and a feeler gauge as shown.
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