despite riding for sweden in the world pairs and team cup competitions, jonsson missed the 1989 british league season, preferring instead to enjoy the joys of fatherhood, though he did ride in sweden for elitserien club stockholm united, winning the swedish league championship. he came back to international speedway in 1990, qualifying for his third world final by finishing 2nd in both the scandinavian and intercontinental finals, and then went one better in bradford becoming sweden's first speedway world champion since anders michanek won in 1974. then with his british team the reading racers (who included australian rider todd wiltshire who had finished 3rd behind jonsson in the world final), per won both the 1990 british league championship and the british league knockout cup.