Remove the bearing caps tted previously and, using a suitable
graduated measuring instrument (1 a), measure the clearance
shown by calibrate
Clearance between main bearings- crankshaft main jour-
nals
0.011 ÷ 0.071 mm
If the gure measured is outside of the tolerance, replace the
half-bearings with ones of the correct size and category.
Measure the clearance for all the bearings, being careful to take
the measurements one at a time without moving the crankshaft
at all.
Check that the outer diameter of the gudgeon pins is within the
recommended limits; if not, replace the worn gudgeon pins.
Gudgeon pin outer diameter
25.982 ÷ 25.987 mm
Check that the small end bush diameter is within the recommend-
ed limits; if not, replace the worn small end bush, refer to:
Small end bush inner diameter
26.006 ÷ 26.014 mm
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