Compression Testing
Perform compression test with wide open throttle and oil temperature not less than 140°F (60°C). Remove all spark plugs and allow approximately 12 piston strokes per cylinder test.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | 9.5:1 | |
| Compression Pressure | ||
| Normal | 142-184 psi (10-13 kg/cm2 ) | |
| Minimum | 107 psi (7.5 kg/cm2 ) | |
| Maximum Variation Between Cylinders | 22 psi (1.5 kg/cm2 ) | |