Specifications, Mechanical

Specifications

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Classification of main bearings





The marking is stamped on the cylinder block and crankshaft.





1. Classification cylinder block
2. Classification crankshaft
3. Cylinder block
4. Intermediate section

Crank mechanism





Main bearing journal radial runout: maximum 0.040 mm
Axial play (Measured in the engine with the intermediate section tightened): 0.08-0.19 mm
Main bearing journal radial runout: 0.020-0.043 mm





Diameter, standard: 50.000 0/-0.016
Bearing recess width: 26.0 ± 0.1 mm
Maximum out-of-round: 0.004 mm
Maximum taper: 0.004 mm

The variation in diameter for each bearing journal must not exceed 0.008 mm.

Diameter, standard(1): 65.000 +0.003/-0.016 mm
Axial bearing width: 26.00 +0/-0.04mm
Maximum out-of-round: 0.004 mm
Maximum taper: 0.004 mm

The variation in diameter for each bearing journal must not exceed 0.008 mm.





Diameter, bearing recesses
Big end: 53.000 -0/+0.013 mm
Small end: 21.000 +0.005/+0.011 mm
Maximum ovality in the bearing recesses: 0.006 mm

Length
Big end - Small end: 147 mm