Engine Compression
Check compression with engine at normal operating temperature, air cleaner and spark plugs removed, throttle and choke valve wide open and engine at normal cranking speed (300 RPM). Crank engine at least 6 strokes per cylinder to determine engine compression.
COMPRESSION SPECIFICATIONS
| Application | Specification | |
|---|---|---|
| Compression Ratio | 9.4:1 | |
| Compression Pressure | ||
| Normal | 185 psi (13 kg/cm2 ) | |
| Minimum | 156 psi (11 kg/cm2 ) | |
| Maximum Variation Between Cylinders | 28 psi (2 kg/cm2 ) | |