| Frame | Model type | Establish year | Name |
|---|---|---|---|
| Model : | |||
| - | RD250 | - | RD250 |
| RD250-2 | - | RD250Ⅱ | |
| Model 1A4 | |||
| 101 | RD250-3 1A4 | - | RD250Ⅲ |
| 100101 | RD250-4 1A4 | - | RD250IV |
| 200101 | RD250 3N4 | - | RD250 |
| Frame | Model type | Establish year | Name |
|---|---|---|---|
| Model : | |||
| - | RD250 | - | RD250 |
| RD250-2 | - | RD250Ⅱ | |
| Model 1A4 | |||
| 101 | RD250-3 1A4 | - | RD250Ⅲ |
| 100101 | RD250-4 1A4 | - | RD250IV |
| 200101 | RD250 3N4 | - | RD250 |