Engine Compression
Test compression with all spark plugs removed, throttle plates and choke valve wide open and engine at normal operating temperature. Crank engine through at least 5 compression strokes before recording reading.
COMPRESSION SPECIFICATIONS
| Application | Specification |
|---|---|
| Compression Ratio | 9.2:1 |
| Compression Pressure | 155-185 psi (10.9-13.0 kg/cm2 ) |
| Max. Variation Between Cylinders | 30 psi (2.1 kg/cm2 ) |