Engine Compression
Test compression pressure with engine at normal operating temperature, all spark plugs removed and throttle and choke valves wide open.
COMPRESSION SPECIFICATIONS
| Application | Specification |
|---|---|
| Compression Ratio | 8.0:1 |
| Recommended Fuel | Unleaded (87 AKI Minimum) |
| Compression Pressure | 100 psi Minimum |
| Max. Variation Between Cylinders | 30% |