Valve Stem Oil Seals
- Install valve and plate washer, and install oil seal on valve guide by pressing with hands. Make sure there is a clearance of 0.0008 - 0.020" between plate washer and oil seal. Use longer oil seal for intake valve and shorter seal for exhaust valve.
- Install compression springs, valve spring retainer and install spring retainer locks using suitable spring compressor. Place valve springs in position with closed coil ends toward cylinder head.
VALVE SPRINGS
| Engine | Free Length In. (mm) | PRESSURE Lbs. @ In. (kg @ mm) | |
|---|---|---|---|
| Valve Closed | Valve Open | ||
| 1965-71 | |||
| M & 2M | |||
| Int. Inner | 1.787 | 11.9@1.535 | ..... |
| (45.4) | (5.4@39) | ..... | |
| Int. Outer | 2.059 | 67.8@1.654 | ..... |
| (52.3) | (30.8@42) | ..... | |
| Exh. Inner | 1.787 | 11.4@1.543 | ..... |
| (45.4) | (5.2@39.2) | ..... | |
| Int. Outer | 2.059 | 66.5@1.661 | ..... |
| (52.3) | (30.2@42.2) | ..... | |
| 1972-73 | |||
| 4M | |||
| Int. Inner | 1.843 | 25.7@1.504 | ..... |
| (46.8) | (11.7@38.2) | ..... | |
| Int. Outer | 1.913 | 63.1@1.642 | ..... |
| (48.6) | (28.7@41.7) | ..... | |
| Exh. Inner | 1.843 | 24.6@1.520 | ..... |
| (46.8) | (11.2@38.6) | ..... | |
| Exh. Outer | 1.913 | 59.4@1.657 | ..... |
| (48.6) | (27.0@42.1) | ..... | |