Vetus VF4 - Page 13

402102.01 13
Service manual VF4 VF5
Cylinder head and valve gear Values [mm]
13
∅
2
∅
1
Valve guide
Ø1
∅
1
8.022 ÷ 8.040
14.010 ÷ 14.030
14.010 ÷ 14.030
0.05 - 0.10 - 0.25
13 - 12
Valve guide 0.033 ÷ 0.080
Seat in cylinder head
0.033 ÷ 0.080
14
∅
2
∅
1
α
Valve
Ø1 5.982 ÷ 6.000
Ø2 27.40 ÷ 27.60
α
45° 30’ ± 5’
Ø1 5.972 ÷ 5.990
Ø2 25.40 ÷ 25.60
α
45° 30’ ± 5’
14 - 13
Valve – Valve guide 0.030 ÷ 0.066
15
P1
P2
H
1
H
2
Internal valve spring
P1
daN
-
H1 -
P2
daN
-
H2 -
16
P1
P2
H
1
H
2
External valve spring
P1
daN
20.47 ÷ 21.84
H1 34.0
P2
daN
44.81 ÷ 47.59
H2 24.5
17
L
∅
Journal camshaft and exhaust
Ø 26.000 ÷ 26.015
L 19.250 ÷ 19.330
Cam lift intake / exhaust
8
8