| Working Range | 40～120 Octane Number |
| Cast Iron Cylinder Bore (Diameter) | 82.55mm (3.250 Inch) |
| Piston Stroke | 114.3mm (4.50 Inch) |
| Cylinder Displacement | 0.61L (37.33 in3) |
| Compression Ratio Range | Adjustable 4:1 to 18:1 |
| Engine Speed | 900 rpm±9 rpm for Motor Method 600 rpm±6 rpm for Research Method |
| The clearance for both intake and exhaust valves (Engine running and hot) | 0.20mm±0.025mm (0.008 in.±0.001 in.) |
| Spark Plug Gap | 0.51 mm±0.13 mm (0.020 in.±0.005 in.) |
| Lubricating Oil Pressure | 172kPa to 207kPa (25psi to 30psi) |
| Lubricating Oil Temperature | 57℃±8℃ (135℉±15℉) |
| Cylinder Jacket Coolant Temperature | 100℃±1.5℃ (212℉±3℉) |
| Intake Mixture Temperature (Motor Method) | 149℃±1℃(300℉±2℉) |
| Intake Air Temperature (Motor Method) | 38℃±2.8℃ (100℉±5℉) |
| Intake Air Temperature (Research Method) | 52℃±1℃ (125℉±2℉) for operation at standard barometric pressure,maintained within ±1℃ (±2℉) for other prevailing barometric pressure conditions. |
| Ignition Timing (Real-Time Displayed) | For Motor Method, 26°BTDC (ε=5.0), adjusted automatically by the computer as CR changed For Research Method, Constant 13°BTDC |
| Electrical Specifications | AC 380V±10%, 50Hz; AC 220V±10%, 50Hz, Properly Grounded |
| Dimension of Machine | 1650mm(W)×900mm(D)×1420mm(H) |
| Net Weight of Machine | 1200kg |
