Illustration
- 1. Cylinder head height
- 2. Installation height of valve guide
- 3. Installation height of valve
- 4. Valve seat width in cylinder head
- 5. Valve seat angle in cylinder head
- 6. Valve stem diameter
- 7. Valve seat angle at valve
- 8. Valve length
- 9. Valve head – diameter
| Engine | | Z 17 DT / Z 17 DTR |
|---|
| Cylinder head height 1) | mm | 94.95 – 95.05 |
| Valve seat width in cylinder head | | |
| Intake valve | mm | 1.6 – 1.8 |
| Exhaust valve | mm | 1.4 – 1.6 |
| Valve seat angle in cylinder head | | 89.5° |
| Valve guide inside diameter | mm | 6.0 |
| Length of valve guide | | |
| Intake valve | mm | 41.75 – 42.25 |
| Exhaust valve | mm | 41.75 – 42.25 |
| Installation height of valve guide | | |
| Intake valve | mm | 11.6 - 11.8 |
| Exhaust valve | mm | 11.6 - 11.8 |
| Installation height of valves | | |
| Intake valve | mm | 41.5 - 41.7 |
| Exhaust valve | mm | 41.5 - 41.7 |
| Engine | | Z 17 DT / Z 17 DTR |
|---|
| Valve length | | |
| Standard size | | |
| | Intake valve | mm | 102,5 |
| | Exhaust valve | mm | 102,2 |
| Ø Valve stem | | |
| Standard size | | |
| | Intake valve | mm | 5.97 |
| | Exhaust valve | mm | 5.96 |
| Valve clearance | | |
| Standard size | | |
| | Intake valve | mm | 0.40 |
| | Exhaust valve | mm | 0.40 |
| Engine | | Z 17 DT / Z 17 DTR |
|---|
| Assignment of codes to cup tappets |
| Code | | Dimension |
| 46 | mm | 3,460 |
| 48 | mm | 3,480 |
| 50 | mm | 3,500 |
| 52 | mm | 3,520 |
| 54 | mm | 3,540 |
| 56 | mm | 3,560 |
| 58 | mm | 3,580 |
| 60 | mm | 3,600 |
| 62 | mm | 3,620 |
| 64 | mm | 3,640 |
| 66 | mm | 3,660 |
| 68 | mm | 3,680 |
| 70 | mm | 3,700 |
| 72 | mm | 3,720 |
| 74 | mm | 3,740 |
| 76 | mm | 3,760 |
| 78 | mm | 3,780 |
| 80 | mm | 3,800 |
| 82 | mm | 3,820 |
| 84 | mm | 3,840 |
| 86 | mm | 3,860 |
| 88 | mm | 3,880 |
| 90 | mm | 3,900 |
| 92 | mm | 3,920 |
| 94 | mm | 3,940 |
| 96 | mm | 3,960 |
| 98 | mm | 3,980 |
| 00 | mm | 4,000 |
| 02 | mm | 4,020 |
| 04 | mm | 4,040 |
| 06 | mm | 4,060 |
| 08 | mm | 4,080 |
| 10 | mm | 4,100 |
| 12 | mm | 4,120 |
| 14 | mm | 4,140 |
| Engine | | Z 17 DT / Z 17 DTR |
|---|
| Valve stem play | | |
| | Intake valve | mm | 0.0190 |
| | Exhaust valve | mm | 0.0215 |
| perm. runout of the valve stem | mm | 0,0100 |
| Ø Valve head | | |
| | Intake valve | mm | 27.5 |
| | Exhaust valve | mm | 25.5 |
| Valve seat angle at valve head | mm | 91° |
| Valve rotator | | |
| | Intake valve | | none |
| | Exhaust valve | | none |
| Camshaft | | |
| Cam lift | | |
| | Intake | mm | 7.75 (new) - 7.70 (used) |
| | Exhaust | mm | 8.40 (new) - 8.35 (used) |
) Resurfacing of the cylinder head is only permissible within the specified tolerance. If the minimum dimension of 94.95 mm is not met, replace the cylinder head.
