Valve Timing
Valve Timing with 2 mm Lift, Engines 617.951/952| Intake Valve Opens | Intake Valve Closes | Exhaust Valve Opens | Exhaust Valve Closes | |
| New Timing Chain | 9 Degrees After Top Dead Center (deg ATDC) | 15 Degrees After Bottom Dead Center (deg ABDC) | 27 Degrees Before Bottom Dead Center (deg BBDC) | 16 Degrees Before Top Dead Center (deg BTDC) |
| Used Timing Chain From about 20,000 km. | 11 Degrees After Top Dead Center (deg ATDC) | 17 Degrees After Bottom Dead Center (deg ABDC) | 25 Degrees Before Bottom Dead Center (deg BBDC) | 14 Degrees Before Top Dead Center (deg BTDC) |