Ken, My 1989 200q Avant has the single knock sensor MC-1 engine. It has the updated interior of the 1989-1991 200. I have no idea which flywheel it has. Eric R. Kissell 1986 5000cstq, 1.8 bar (SJM), K24, Fuchs 1989 200q Avant, 1.5 bar, K24 1987 VW GTI 16V, 1984cc Evansville, Indiana, USA