| Frame | Model type | Establish year | Name |
|---|---|---|---|
| Model 3M7 | |||
| 101 | GT50 3M7 | 1979 | GT50 |
| 100101 | GT50 4M7 | 1980 | |
| Model FT1 | |||
| 200101 | GT50 375 | 1972 | GT50 |
| 450101 | GT50 375 | 1974 | |
| 468001 | GT50 375 | 1975 | |
| 520101 | GT50-2 2A3 | 1977 | GT50Ⅱ |
| 550101 | GT50 2A3 | 1978 | GT50 |
| 700101 | GT50 375 | 1976 | |
| Frame | Model type | Establish year | Name |
|---|---|---|---|
| Model 3M7 | |||
| 101 | GT50 3M7 | 1979 | GT50 |
| 100101 | GT50 4M7 | 1980 | |
| Model FT1 | |||
| 200101 | GT50 375 | 1972 | GT50 |
| 450101 | GT50 375 | 1974 | |
| 468001 | GT50 375 | 1975 | |
| 520101 | GT50-2 2A3 | 1977 | GT50Ⅱ |
| 550101 | GT50 2A3 | 1978 | GT50 |
| 700101 | GT50 375 | 1976 | |