Vetus VF4 - Valve Timing Diagram; Cylinder Head Gasket

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Service manual VF4 VF5
Valve timing diagram3.3
A
B
D
C
A
Intake
Opens B.T.D.T. 10°
B Closes A.B.D.C. 18.5°
C
Exhaust
Opens B.B.D.C. 40°
D Closes A.T.D.C. 9°
Cylinder head gasket3.4
Fit the cylinder head, the gasket should have the thickness indicated below in order to maintain compression
ratio within the prescribed limits:
Piston protrusion (mm) Gasket thickness (mm) Identication notches
-0.020 ÷ +0.100 0.82 ± 0.05 0
+0.101 ÷ +0.200 0.92 ± 0.05 1
+0.201 ÷ +0.295 1.02 ± 0.05 2