Dimensions
Connecting Rods
A. Center to Center B. Small End Bore C. Big End Bore D. Big End Width E. Small End Width F. Pin Length G. Pin Diameter
APRILIA
Dimensions (mm)
Models 125 Biella
Years
Con-Rod
A
B
C
D
E
F
G
105 110 110 110 110 110
15 15 15 19 19 19
20 20 22 26 26 26
15 15 16
15 15 16
46 46 49
20 20
56-165 56-165 56-949 56-0341 56-0341 56-0341
125 Rotax Trials 125 Rotax Trials
MX 125 RX 125 SX 125
2004 - 06 2008 - 10 2008 - 10
14.85 14.85 49 14.85 14.85 49 14.85 14.85 49
20 20 20
BETA 2-Stroke Models
Dimensions (mm)
Years
Con-Rod
A
B
C
D
E
F
G
125 GS
100 125 125 125
14 22 22 22
18 31 31 31
15 17 17 17
15 20 20 20
38 24 24 24
56-908 56-0344 56-0344 56-0344
RR 250 Enduro 2-Stk.
2013 - 16 2015 - 16 2013 - 16
24 24 24
Xtrainer 300
RR 300 Enduro 2-Stk.
4-Stroke Models
Years
Con-Rod
A
B
C
D
E
F
G
RR 250 Enduro RR 450 Enduro RR 525 Enduro
2005 - 07 2005 - 09 2005 - 09
129 129 129
20 20 20
43 43 43
21.90 21.90 64.70 35 21.90 21.90 64.70 35 21.90 21.90 64.70 35
56-863 56-863 56-863
BULTACO
Dimensions (mm)
Models
Years
Con-Rod VIN-KR2032 VIN-KR2046 VIN-KR2045 VIN-KR2036 VIN-KR2046 VIN-KR2036 VIN-KR2032 VIN-KR2032
A
B
C
D
E
F
G
250 350 350 350 360 360 360 370
1978 - 79 1967 - 72 1972 - 73 1974 - 75 1967 - 72 1974 - 75 1975 - 81 1975 - 81
116 116 116 116 116 116 116 116
24
31 20 20 20 20 20 31 31
17 20 20 20 20 20 17 17
17
56.1
24 20 20 20 20 20 24 24
60 48 56 60 56
24 24
17 17
56.1 56.1
CAGIVA
Dimensions (mm)
Models
Years
Con-Rod
A
B
C
D
E
F
G
125
105 105 110
16 16 16
22 20 22
16 15 16
16 16 16
51.5 54.5 51.5
56-909 56-962 56-966
125 WMX / WRK
1985 - 88
125
CZ Models
Dimensions (mm)
Years
Con-Rod VIN-KR2015
A
B
C
D
E
F
G
380
1971 - 81
130
22
29
15.95 23.7
56
22
FANTIC
Dimensions (mm)
Models
Years
Con-Rod
A
B
C
D
E
F
G
125 Minarelli 125/200 Trials 240/245 Trials
105 105 115 120
16 16 18 18
18 18 20 22
15 15 15 15
21 20 20 20
48 46 48 48
56-916 56-970 56-969 56-977
249/300/301 Trials
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