Check compression with battery fully charged, engine at normal operating temperature, throttle fully open and engine at cranking speed.
| Application | Compression Ratio |
|---|---|
| 900 | 9.25:1 |
| 900S & 9000S | 10.1:1 |
| 900 Turbo & 9000 Turbo | 9.0:1 |
COMPRESSION SPECIFICATIONS