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4.3
Valve dimensions
Note
Inlet and exhaust valves must not be reworked. Only lapping-in
is permitted.
Dim.
Inlet valve
Outlet valve
∅ a
mm
26.5
23.5
∅ b
mm
4.973
4.963
c
mm
110.25
110.09
α
∠°
45
30
León 2013 ➤ , León ST 2013 ➤
4-cylinder petrol engine (1.2 l direct injection, 4 V, turbocharger, EA211) - Edition 02.2017
4. Inlet and exhaust valves
125