ORO2U Dirt Catalogue - Section E - Engine and Performance.

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

YAMAHA

Dimensions (mm)

2-Stroke Models

Years

Con-Rod 56-913 56-2940

A

B

C

D

E

F

G

RD/DT 50-80cc Liquid Cooled, TY50

84 84 80 94 84 94 96 96

15 15 14 15 15 18 18 18 20 20 20 20 19 19 23 23 22 23 23

24 24 22 26 24 26 26 28 28 29 29 29 29 29 31 31 31 31 31

11.60 15.50 43.50 18

RD/DT 50-80cc Air Cooled PW 50, QT50 (12161-05220)

11.50 15.50 37 11.75 11.75 37 11.60 11.60 46

18 16 20

56-103

PW 80 YZ 80

1991 - 03 56-2941 1978 - 81 56-913

11.60 15.50 43.50 18

YZ 80 (2JF, 5X2)

1982 - 92 1993 - 03

56-131 56-142

14 14 14 15 16 16 17 17

14 14 14 15 16 16 17 16

43.50 18 43.25 20 43.25 20

YZ 80 YZ 85

2002 - 18 56-142

DT 100/RX-100

56-2944 56-983 56-247 56-929 56-981

100 100 105

49 55

22 22

DT 125 DT/RS (2N4)

DT 125 LC

54.3

YZ 125 (5X4 / 4V2)

1980 - 85 1986 - 96

98

54.50 22 54.50 22

YZ 125 (1LX)

105 105 105 102 130 125 125 130 125

YZ 125 YZ 125 YZ 125 YZ 250 YZ 250 YZ 250 WR 250 WR 250

1997 - 00 56-153 2001 - 04 56-168 2005 - 19 56-159 1983 - 89 56-938 1990 - 98 56-979 1999 - 19 56-163

16.95 16.95 54.30 22

17 17 20 20 17 20 20

16 16 20 20 20 20 20

54.50 22 54.50 22

60

25

59.90 25

59 60

24 25

1989

56-938

1990 - 97 56-979

59.90 25

4-Stroke Models

Years

Con-Rod

A

B

C

D

E

F

G

TTR 125 E TTR125 L TTR125 LE XT 125 R WR 250F WR 250F WR 250F YZ 250F YZ 250F YZ 250F YZ 250FX WR 400F YZ 400F WR 426F YZ 426F WR 450F WR 450F WR 450F WR 450F YZ 450F YZ 450F YZ 450F YZ 450FX

2003 - 09 56-2945 2000 - 08 56-2945 2003 - 14 56-2945 2005 - 08 56-2945 2001 - 02 56-873 2003 - 13 56-910 2015 - 18 56-2968 ** 2001 - 02 56-873 2003 - 13 56-910 2014 - 18 56-2968 ** 2015 - 18 56-2968 ** 1998 - 00 56-166 1998 - 99 56-166 2001 - 02 56-187 2000 - 02 56-187 2003 - 06 56-911 2007 - 11 56-126 2012 - 15 56-0321 2016 - 18 56-857 2003 - 05 56-911 2006 - 09 56-126 2010 - 18 56-857 2016 - 18 56-857 1976 - 77 56-2912 1990 - 99 56-2911

89 89 89 89

15 15 15 15

37 37 37 37 38 40 38 38 40 38 38 42 42 42 42 42 42 42 42 42 42 42 42 42 43

16 16 16 16 18 18 18 18 18 18 18 20 20 20 20

16 16 16 16 15 15 15 15 15 15 15 18 18 18 18

46 46 46 46

29 29 29 29 30

93.50 16 93.50 16 92.50 16 93.50 16 93.50 16 92.50 16 92.50 16

54.8

54.80 32 54.80 30

54.8

30

54.80 32 54.80 30 54.80 30 60.75 34 60.75 34 60.75 34 60.75 34 60.75 34 60.80 34 60.75 34 60.80 34 60.75 34 60.80 34 60.80 34 60.80 34

102 102 102 102

18 18 19 19

103.50 18 103.50 18 103.50 18

19.95 18

20 21 21

18 18 18

103

18

103.50 18 103.50 18

19.95 18

20 21 21

18 18 18

103 103

18 18

XT 500 XT 600

145.20 20 135.50 22

23.80 23.80 73.70 34

22

22

74

35

**Some brands do not include shims (please check when ordering)

*Please visit our website for current prices

E-mail: sales@oro2u.com

www.oro2u.com

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