Engine Block — Specifications

The engine block is cast iron. The cylinders are made directly in the cylinder block.

Cylinder diameters in engines with a displacement of 1.1 dm3, mm:
– nominal
1	73,940 – 73,950
2	73,950 – 73,960
3	73,960 – 73,970
4	73,970 – 73,980
- enlarged:
A	74,230 – 74,240
IN	74,240 – 74,250
WITH	74,250 – 74,260
- repair:
+ 0,5	74,500 – 74,510
+ 1,0	75,000 – 75,010
Internal diameters of the main bearing shells, mm:
- nominal	57,009 – 57,036
- reduced by 0.254 mm	56,755 – 56,782
- reduced by 0.508 mm	56,501 – 56,528
- reduced by 0.762 mm	56,247 – 56,274
Cylinder diameters in engines with a working volume of 1.3 and 1.6 dm3, mm:
- nominal:
1	79,940 – 79,950
2	79,950 – 79,960
3	79,960 – 79,970
4	79,970 – 79,980
- enlarged:
A	80,230 – 80,240
IN	80,240 – 80,250
WITH	80,250 – 80,260
- repair:
+ 0,5	74,500 – 74,510
+ 1,0	75,000 – 75,010
Internal diameters of the main bearing shells, mm:
- nominal	58,011 – 58,038
– reduced by 0.25 mm	57,761 – 57,788
– reduced by 0.50 mm	57,511 – 57,538
– reduced by 0.75 mm	57,261 – 57,288
Diameters of nests of liners of the main bearing, mm:
- nominal	62.287 - 62.300 mm
- repair, 0.40	62.687 - 62.700 mm
Thrust bearing width	28.825 - 28.875 mm