| Model | CNBK20 | CNBK25 |
| Engine Type | Single cylinder,Air cooled,2-stroke | Single cylinder,Air cooled,2-stroke |
| Max. Power And Speed kW /rpm | 1.7/9000 | 1.6/9000 |
| Fuel | mixed fuel(25 petrol:1 motor oil) | mixed fuel(50 petrol:1 motor oil) |
| Fuel Tank Capacity L | 1.3 | 2.4 |
| Impact Frequency Hz | 12~28 | 22 |
| Impact Energy J | 20~40 | 55 |
| Net Weight kg(lbs) | 20.5(45.2) | 26(57.3) |
| Package mm | 725*390*325 | 855*475*355 |
| Model | CNBK20 | CNBK25 |
| Engine Type | Single cylinder,Air cooled,2-stroke | Single cylinder,Air cooled,2-stroke |
| Max. Power And Speed kW /rpm | 1.7/9000 | 1.6/9000 |
| Fuel | mixed fuel(25 petrol:1 motor oil) | mixed fuel(50 petrol:1 motor oil) |
| Fuel Tank Capacity L | 1.3 | 2.4 |
| Impact Frequency Hz | 12~28 | 22 |
| Impact Energy J | 20~40 | 55 |
| Net Weight kg(lbs) | 20.5(45.2) | 26(57.3) |
| Package mm | 725*390*325 | 855*475*355 |