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Crankshaft

Crankshaft


General data B204/B235/B205

Maximum variation in straightness

mm

0.10

Crankshaft end float

mm

0.08 - 0.34

Maximum journal out-of-round

mm

0.005

Maximum taper of journals

mm

0.005

Radius of main journal fillet

mm

1.65 - 1.85

Length

mm

539.2



Colour coding of main bearing and big-end bearing shells


Standard bearing shells are Yellow - Yellow or Red - Blue .

Red shells are thinnest, yellow are 0.005 mm (0.0002 in) thicker than red, and blue shells are 0.005 mm (0.0002 in) thicker than yellow ones. Only yellow bearing shells are available as a spare part.

Crankpin diameter (1) B204/B235

Standard

mm

51.981 - 52.000

1st undersize

mm

51.731 - 51.750

2nd undersize

mm

51.481 - 51.500

Big-end bearing clearance

mm

0.020 - 0.068



Main journal diameter (2) B204/B235

Standard

mm

57.981 - 58.000

1st undersize

mm

57.731 - 57.750

2nd undersize

mm

57.481 - 57.500

Main bearing clearance

mm

0.014 - 0.062