[2][4] From 1990 onwards Hüsser's World Championship results declined but he remained a force in the Swiss national competition.

He rode the first event with Andreas Hüsser but then used Flurin Peer and Sies Hurkmans for the next two, finishing 19th overall in the competition.

[4] The 1993 World Championship season saw the Hüsser's, Christoph and Andreas, reunited except in two events, where Fritz Witschi served as his passenger.

[4] In the 1994 season Hüsser raced the full World Championship program for a last time, coming 11th overall, now with Hans-Rudi Stettler as his passenger.

[3] Christoph Hüsser, together with his twin brother, grew up on his grandparents farm at Stetten, Aargau.