Vetus VF4 - Page 10

10 402102.01
Service manual VF4 VF5
Crankcase
Values [mm]
5
L
∅
Piston ring
1 1.970 ÷ 1.995
2 1.970 ÷ 1.995
3 1.970 ÷ 1.990
0.4
5 - 3
Piston ring -
Ring clearance
in piston
1 0.105 ÷ 0.150
2 0.050 ÷ 0.090
3 0.030 ÷ 0.070
5 - 1
Piston ring gap
1 0.20÷ 0.35
2 0.60 ÷ 0.80
3 0.25 ÷ 0.50
5 - 2
Piston ring gap
1 -
2 -
3 -
6
∅
2
∅
1
Small end bore diameter Ø1 -
Big end bore
diameter
∅
2
1 -
2 -
3 -
Connecting rod weight dierence ± 2.5 g
6
∅
2
∅
1
Small end bush I.D. Ø1 26.006÷ 26.014
Big end I.D. Ø2 53.897 ÷ 53.909
Connecting rod weight dierence ± 2.5 g
7
∅
2
∅
1
Small end bush
Ø1 29.018 ÷ 29.038
∅
2
25.279 ÷ 25.512