Camshaft
The camshaft has three bearings.
Valve timing
| Indicator | Engine model | ||
| E1 | E3 | E5 | |
| Start of opening of intake valve before TDC of exhaust stroke with advance | 15° | 15° | 15° |
| Closing of the intake valve after BDC of the compression stroke with a delay | 44° | 58° | 58° |
| Start of opening of the exhaust valve before the BDC of the working stroke with advance | 53° | 58° | 58° |
| Closing of the exhaust valve after TDC of the intake stroke with a delay | 6° | 15° | 15° |
Camshaft characteristics
Neck diameter, mm:
- front: 41,949-41,965;
- central: 41,919-41,935;
- rear: 41,949-41,965.
Wear limit, mm: 0.05.
Radial runout of journals, no more than, mm: 0.03.
[Content based on information from: Mazbook]
Clearance between camshaft journals and bearing holes, mm:
- front and rear bearings: 0.035-0.076;
- central bearing: 0.065-0.076.
Maximum permissible wear clearance, mm: 0.15.
Axial clearance of the camshaft, mm:
- nominal: 0.02-0.18;
- maximum: 0.2.
Height of cams, mm:
- E1: 43.733 (43.533)*;
- E5: 43.731 (43.531).
* The maximum permissible wear value is indicated in brackets.