| Engine Z 19 DT / Z 19 DTL | ||||
|---|---|---|---|---|
| Cylinder head height | mm | 140.85 - 141.15 | ||
| Uniformity of lower cylinder head surface | mm | 0.100 | ||
| Maximum sag of cylinder head | mm | < 0.100 | ||
| Valve guide inside diameter | mm | 8.022 - 8.040 | ||
| Valve guide external diameter | New dimension | Oversize | ||
| mm | 14.010 - 14.030 | 0.05 - 0.10 - 0.25 | ||
| Insertion depth of valves with respect to surface of cylinder head | mm | 0.100 - 0.500 | ||
| Engine Z 19 DT / Z 19 DTL | ||||||
|---|---|---|---|---|---|---|
| Ø Valve stem | mm | 7.974 - 7.992 | ||||
| Valve clearance in closed position | ||||||
| Intake valve | mm | 0.250 - 0.350 | ||||
| Exhaust valve | mm | 0.300 - 0.400 | ||||
| Valve spring height (unstressed) | mm | 53.900 | ||||
| Ø valve tappet seat | mm | 37.000 - 37.025 | ||||
| Outer diameter of valve tappet jacket | mm | 36.975 - 36.995 | ||||
| Engine Z 19 DT / Z 19 DTL | ||||
|---|---|---|---|---|
| Axial clearance of camshaft | mm | 0.100 - 0.230 | ||
| Cam lift | mm | 8.500 | ||
| Ø of camshaft bearing in camshaft housing | mm | 26.045 - 26.070 | ||
| Ø of camshaft bearing journal | mm | 26.000 - 26.015 | ||