Cylinder Head
| Item | Specification |
|---|---|
| Cylinder head flatness | 0.08 mm (0.0031 in) maximum overall, a maximum of 0.05 mm (0.0019 in) within 150 mm (5.9 in) |
| Valve lift @ zero lash (exhaust) | 8.18 mm |
| Valve lift @ zero lash (intake) | 9.44 mm |
| Valve guide diameter | 5.509-5.539 mm (0.216-0.218 in) |
| Valve seat width - intake/exhaust | 0.99-1.84 mm (0.038-0.072 in) |
| Valve seat angle | 45 degrees |
| Valve seat runout | 0.075 mm (0.0029 in) |
| Valve tappet bore diameter | 31.00-31.03 mm (1.220-1.221 in) |
| Cam bore diameter | 25.015-25.040 mm (0.984-.0985 in) |