Connecting Rod Refinishing Dimensions

Connecting Rod:

Key to Image
2- Marking
3- Bottom Balancing Weight
4- M9x1 conrod bolt
5- Dowel Sleeve
6- Top conrod bearing shell
7- Bottom conrod bearing shell
8- Bearing shell locating lugs
Arrow - Direction of Travel

Center of conrod bearing bore to center of conrod bush bore (L):
144.995 - 145.005 mm (5.7085 - 5.7089 in)

Width of conrod at conrod bearing bore (B):
21.948 - 22.000 mm (0.8641 - 0.8661 in)

Width of conrod at bush bore (b):
21.948 - 22.000 mm (0.8641 - 0.8661 in)

Conrod basic bore:
51.600 - 51.609 mm (2.0315 - 2.0318 in) (1)
51.609 - 51.619 mm (2.0318 - 2.0322 in) (2)

Conrod bush basic bore (d1):
24.5 - 24.521 mm (0.9646 - 0.9654 in)

Conrod bush ID (d):
22.007 - 22.013 mm (0.8664 - 0.8667 in)

Piston Play in conrod bush on inside:
0.013 - 0.018 mm (0.0005 - 0.0007 in)

Roughness of conrod bush on inside:
0.005 mm (0.0002 in)

Permissible twist of conrod bore to conrod bush bore:
0.015 mm (0.0006 in)

Permissible deviation of axial parallelism of conrod bearing bore to conrod bush bore:
0.07 mm (0.0028 in)

Permissible deviation of conrod bearing bore from concentricity:
0.01 mm (0.0004 in)

Permissible difference in weight of complete conrod within an engine:
4 grams (0.141 oz)