Valve Springs
| Measuring point | Tolerance (new) | Wear Limit |
| 25a. Valve Spring length decompressed | 47 mm (1.85 in) | |
| 25b. Valve Spring length installed, intake | 41 mm (1.61 in) | |
| 25c. Valve Spring length installed, exhaust | 40.5 mm (1.59 in) | |
| 25d. Valve Spring pressure when compressed to 41 mm length | 36 +/- 1.5 kp (79 +/- 3.3 lbs) | |
| 25e. Valve Spring pressure when compressed to 30.1 mm length | 97 +/- 2.5 kp (213 +/- 5.5 lbs) | |
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