| Diameter of camshaft bearings, counted from the drive side, mm: | |
| - the first | 44,783 – 44,803 |
| - the second | 45,033 – 45,058 |
| - the third | 45,283 – 45,308 |
| - the fourth | 45,533 – 45,558 |
| - the fifth | 45,783 – 45,808 |
Cylinder head gasket
The gasket is installed on the engine cylinder block with the "Top" mark facing up.
Designation:
- 81 SH-6051-N₂D or 81 SM-6051-N3D for engines with a working volume of 1.1 dm³;
- 81 SH-6051-R2D or 81 SM-6051-R3D for engines with a working volume of 1.3, 1.4 and 1.6 dm³.
Valve guides
Valve guides made of special cast iron are pressed into the cylinder head.
| Inner diameter of the guide bushing of the intake and exhaust valves, mm: | |
| - standard | 8,063 – 8,094 |
| - increased by 0.2 mm | 8,263 – 8,294 |
| - increased by 0.4 mm | 8,463 – 8,494 |
Valves
The working clearance of the valves is compensated by hydraulic tappets.
| Valve dimensions, mm | |
| Inlet valve: | |
| - length: | |
| engines with a working volume of 1.1 dm³ | 135,74 – 136,20 |
| engines with a working volume of 1.3 and 1.6 dm³ | 134,54 – 135,00 |
| – plate diameter: | |
| engines with a working volume of 1.1 dm³ | 37,9 – 38,1 |
| engines with a working volume of 1.3 and 1.6 dm³ | 41,9 – 42,1 |
| – rod diameter: | |
| nominal | 8,025 – 8,043 |
| increased by 0.2 mm | 8,225 – 8,243 |
| increased by 0.4 mm | 8,425 – 8,443 |
| – clearance between valve stem and guide bushing | 0.020 – 0.063 mm |
| – valve lift, mm: | |
| engines with a working volume of 1.1 dm³ | 9,56 |
| engines with a working volume of 1.3 and 1.6 dm³ | 10,09 |
| Exhaust valve: | |
| - length: | |
| engines with a working volume of 1.1 dm³ | 132,62 – 133,08 |
| engines with a working volume of 1.3 dm³ | 131,17 – 131,63 |
| engines with a working volume of 1.6 dm³ | 131,57 – 132,03 |
| – plate diameter: | |
| engines with a working volume of 1.1 dm³ | 32,1 – 32,3 |
| engines with a working volume of 1.3 dm³ | 33,9 – 34,1 |
| engines with a working volume of 1.6 dm³ | 36,9 – 37,1 |
| – rod diameter: | |
| nominal | 7,999 – 8,017 |
| increased by 0.2 mm | 8,199 – 8,217 |
| increased by 0.4 mm | 8,399 – 8,417 |
| – clearance between valve stem and guide bushing | 0.046 – 0.089 mm |
| – valve lift, mm: | |
| engines with a working volume of 1.1 dm³ | 9,52 |
| engines with a working volume of 1.3 and 1.6 dm³ | 10,06 |
Valve seats
| Width of the working chamfer of the inlet and outlet valve seat | 1.75 – 2.32 mm |
| Angle of the working chamfer of the saddle | 450 |
| Upper cone angle | 180 |
| Lower cone angle: | |
| – engines with a working volume of 1.1 dm³ | 80/ 700 |
| – engines with a working volume of 1.3 and 1.6 dm³ | 77/ 700 |
Valve springs
The springs are the same for the inlet and outlet valves.
| Length of spring in free state | 47.2 mm |
| Length of compressed spring corresponding to open valve | 27.7 mm |
| Length of compressed spring corresponding to closed valve | 37,084 mm |
| Compression force of the spring corresponding to the open valve | 853 – 952 N |
| Compression force of the spring corresponding to the closed valve | 401 – 441 N |
The text is available on the specified website info portal (Fordbook.ru)