| Frame | Model type | Establish year | Name | |
|---|---|---|---|---|
| Model MD21 | ||||
| 1000001 | NX250RJ | 1988 | AX-1 | |
| 1100001 | NX250RK | 1989 | ||
| 1150001 | NX250RK | 1989 | ||
| 1200001 | NX250RR | 1994 | ||
| NX250RR 3 | 1994 | AX-1 with speed warning light | ||
| Frame | Model type | Establish year | Name | |
|---|---|---|---|---|
| Model MD21 | ||||
| 1000001 | NX250RJ | 1988 | AX-1 | |
| 1100001 | NX250RK | 1989 | ||
| 1150001 | NX250RK | 1989 | ||
| 1200001 | NX250RR | 1994 | ||
| NX250RR 3 | 1994 | AX-1 with speed warning light | ||