Cylinder head with valves

Sealing surface distortion

Valve seat width Seat angle

Outer correction angle Inner correction angle

Valve guides Valve stem: Inlet Exhaust

Valve guide/valve stem



Compression inlet exhaust inside dia. dia.

dia. (stem end) rocking clearance

When fitting (new)

Wear limit max. 0.05 mm

6.974 ± 0.006 tapered stem

8 bar and 6.5 bar above

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Do It Yourself Car Diagnosis

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