Carburettor specifications for Honda C90
| Model | Area code | Type | Applicable frame serial no. | Applicable carburetor identification no. |
| C90ST | MX | Mexico | JH2HA028*3K400001 - 3K499999 JH2HA028*4K500001 - 4K599999 JH2HA028*5K600001 - 5K699999 3H1HA028*6D000001 ~ | PB48F  ~ |
Of carburetor identification numbers, only the portions underlined in the example below are used for registration.  | ||||
