Engine Compression
Check compression with engine warm, all spark plugs removed and throttle wide open. Crank engine through at least 6 compression strokes per cylinder to determine engine compression.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | 8.5:1 | |
| Compression Pressure | ||
| Normal (New Engine) | 130-174 psi (9-12 kg/cm2 ) | |
| Minimum | 100 psi (7 kg/cm2 ) | |
| Max. Variation Between Cylinders | 29 psi (2 kg/cm2 ) | |