Can anyone please tell me the original tyre designation for a Jantar Std
2 (SZD-48-2). I don't have ready access to the manuals at the moment.

I think it was 350x135 like the original Blanik one.

I know most of them have been replaced with 5.00x5 tyres and that they
usually rub on the undercarriage legs.

Regards,
John Orton