<page_title> 1988 Grand Prix motorcycle racing season </page_title> <table> <cell> 1988 World Champions 500cc – Eddie Lawson (Yamaha) 250cc – Sito Pons (Honda) 125cc – Jorge Martínez (Derbi) 80cc – Jorge Martínez (Derbi) </cell> </table>
Jorge Martinez captured double championships in the 80 and 125 classes for the Spanish firm Derbi.