Engine Compression
Check compression pressure with engine at normal operating temperature, choke and throttle valves wide open, and engine at cranking speed (250 RPM). Crank engine at least 6 revolutions per cylinder to determine engine compression.
COMPRESSION SPECIFICATIONS
| Application | Specification |
|---|---|
| Compression Ratio | 7.0:1 |
| Compression Pressure | 149 psi (10.5 kg/cm2 ) |
| Maximum Variation Between Cylinders | 10% |