Vetus VF4 - Page 9

402102.01 9
Service manual VF4 VF5
Crankcase
Values [mm]
3
X
∅
Piston
X 8
∅
A 81.920 ÷ 81.930
B 81.930 ÷ 81.940
C 81.940 ÷ 81.950
0.4
∅
Piston pin bore dia Ø 26.006 ÷ 26.014
Ring groove
width
1 2.080 ÷ 2.100
2 2.020 ÷ 2.040
3 2.020 ÷ 2.040
Piston weight dierence ± 5 gr
3 - 1
Piston protrusion - Crankcase 0.014 ÷ 0.294
3 - 2
Piston protrusion - Liner -
3 - 1
Piston – Cylinder liner 0.070 ÷ 0.090
3 - 2
Piston – Cylinder liner -
4
∅
Piston pin
Ø 25.982 ÷ 25.987
0.4
4 - 3
Piston pin - Seat pin 0.012 ÷ 0.022