Cylinder Head
- 1. Valve guide - external diameter
- 2. Cylinder head height
- 3. Width of valve seat in cylinder head
- 4. Angle of valve seat in cylinder head
- 5. Valve stem diameter
- 6. Valve seat angle at the valve
- 7. Valve length
- 8. Valve head diameter
- 9. Valve guide, internal diameter
- 10. Valve guide - length
- 11. Installation height of valve guide
| Engine | | Z 13 DT |
|---|
| Cylinder head height 1) | mm | 105,50 +/- 0,05 |
| Maximum cylinder head deflection | mm | 0,10 |
| Valve seat angle at valve head | | 45° +/- 20' |
| Valve guide, outer diameter | | |
| Standard dimension | mm | 11.01 - 11.03 |
| Excess I | mm | 0,05 |
| Excess II | mm | 0,10 |
| Excess III | mm | 0,25 |
| Valve guide, inner diameter | mm | 6.020 – 6.038 |
| Length of the valve guide | | |
| Intake valve | mm | 43,50 |
| Exhaust valve | mm | 43,50 |
| Installation height of the valves | mm | 36.95 - 37.85 |
Plane Cylinder Head
| Installed cylinder head gasket | Cylinder head height | Plane cylinder head | New cylinder head gasket |
|---|
| Without hole | 105.4 +/- 0.05 mm | 0.10 mm | One hole |
| One hole | 105.40 +/- 0.05 mm | 0.10 mm | Two holes |
| One hole | 105.30 +/- 0.05 mm | 0.20 mm | Two holes |
| Two holes | | Planing not possible | Replace cylinder head |
Valves
| Engine | | Z 13 DT |
|---|
| Valve length | | | | |
| | Intake valve | mm | 107,95 |
| | Exhaust valve | mm | 107,95 |
| Permitted impact by valve stem | mm | 0.028 - 0.064 |
| Valve stem diameter | | |
| | Intake valve | mm | 5.90 – 5.94 |
| | Exhaust valve | mm | 5.90 – 5.94 |
| Valve spring | | |
| Free length | | |
| | Intake valve | mm | 37,90 |
| | Exhaust valve | mm | 37,90 |
| camshaft | | |
| Cam lift | | |
| | Intake valve | mm | 6,40 |
| | Exhaust valve | mm | 7,50 |
| Valve head diameter | | |
| | Intake valve | mm | 22,00 |
| | Exhaust valve | mm | 22,00 |
Camshaft Housing
| Engine | | Z 13 DT |
|---|
| Diameter, camshaft bearing in camshaft housing | | | |
| | 1st bearing | mm | 38.545 – 35.570 |
| | 2nd bearing | mm | 38.045 – 38.070 |
| | 3rd bearing | mm | 30.045 – 30.070 |
| Diameter, camshaft bearing journal | | | |
| | 1st bearing | mm | 38.500 – 35.515 |
| | 2nd bearing | mm | 38.000 – 38.015 |
| | 3rd bearing | mm | 30.000 – 30.015 |
) Planing the cylinder head is only permissible within the tolerance limits. If the cylinder head falls below the smallest size of 105.3 +/- 0.05 mm, it must be replaced
