| Model | BT880 | BT890 |
| Displacement | 79.9CC | 87.5CC |
| Maximum power | 4.2KW | 4.8KW |
| idle speed | 2500rpm | 2500rpm |
| maximum speed | 7800rpm | 8000rpm |
| Fuel tank capacity | 2.3L | 3.5L |
| Fuel used | 2-stroke lubricating oil mixed with gasoline | 2-stroke lubricating oil mixed with gasoline |
| Lubricant used | 2 stroke engine oil | 2 stroke engine oil |
| Gasoline maxing ratio | 50:1 | 50:1 |
| Carburetor | Plunger | ?Plunger |
| ignition method | CDI | CDI |
| spark plug | Champion RZ7C or NGK CMR6H or TorchCM7H | Champion RZ7C or NGK CMR6H or TorchCM7H |
| Start method | Recoil easy to start | Recoil easy to start |
| stop mode button | button | button |
| Net weight | 10.5kg | 10.9kg |
| Standard Duct Maximum Air Velocity | 110m/s | 115m/s |
| Standard duct maximum airflow | 2040m3/h | 2520m3/h |
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