1925 350 cc 9 PS, 1 cyl., 4-stroke, J I. SV, 79/90mm
1925 350 cc 10 PS, 1 cyl., 4-stroke, 350 B Bradshaw. OHV, 68/96mm
1925 350 cc 14 PS, 1 cyl., 4-stroke, BS. OHV, 71/88mm
1925 500 cc 15 PS, 1 cyl., 4-stroke, J II. SV, 85.5/85mm
1925 500 cc 16 PS, 2 cyl., 4-stroke, M I. Gegengesteuert, 64/77mm
1925 600 cc 19 PS, 2 cyl., 4-stroke, M II.
1928/29 500 cc 15 PS, 1 cyl., 4-stroke, 3 speed
1928/29, 500 cc 22 PS, 1 cyl., 4-stroke, 500 H Sport. M.A.G. OHV, 82/94mm, 3 speed,
1928/29 500 cc 22 PS, 1 cyl., 4-stroke, 500 H Sport. M.A.G. OHV, 82/94mm, 3 speed.
1929/30 500 cc 22 PS, 1 cyl., 4-stroke, 500 H Sport. M.A.G. OHV, 82/94mm, 3 speed
1929/30 595 cc 15 PS, 1 cyl., 4-stroke, Berggeist. M.A.G. IOE.
1929/30 672 cc 26 PS, 2 cyl., 4-stroke, Rheingold. JAP OHV
1930/31 500 cc 22 PS, 1 cyl., 4-stroke, 500 H Sport. M.A.G. OHV, , 82/94mm, 3 speed
1930/31 600 cc 15 PS, 1 cyl., 4-stroke, 600 G. 3 speed,
1930/31 675 cc (700), 26 PS, 2 cyl., 4-stroke, 700 H Sport. 3 speed
1931 500 cc 22 PS, 1 cyl., 4-stroke, 500 H Sport. M.A.G. OHV, 82/94, 3 speed
1931/32 200 cc 6 PS, 1 cyl., 2-stroke, Junior 200. Omnia und Villers, 61/67 (Villers), 3 speed
1932 350 cc 18/20 PS, 1 cyl., 4-stroke, Grand Prix Rudge Python. Vierventiler, 70/90.5mm
1932 500 cc 13 PS, 1 cyl., 4-stroke, 500 G. M.A.G., 3 speed,
1932/33 200 cc 6 PS, 1 cyl., 2-stroke, Junior 200. Omnia und Villers, 61/67mm (Villers), 3 speed
1933 150 cc 3 PS, 1 cyl., 2-stroke, Zwerg 150. Villers, 3 speed,
1933 350 cc 15 PS, 1 cyl., 4-stroke, 350 H Sport. M.A.G., 3 speed
1933/34 500 cc 13 PS, 1 cyl., 4-stroke, 500 B. Bark, 3 speed
1933/34/35 200 cc 8/10 PS, 1 cyl., 4-stroke, Imperia 200. Junior 200. Bark, 3 speed
1934 350 cc 15 PS, 1 cyl., 4-stroke, 350 B. Sport Bark, 3 speed
1934 500 cc 15 PS, 1 cyl., 4-stroke, Nürburg. Schütthoff-Motor, 3 speed
1934 840 cc 26 PS, 2 cyl., 4-stroke, Rheingold. M.A.G. OHV, 72/104mm, Hurth 4 speed gearbox
1935 350 cc 15 PS, 1 cyl., 4-stroke, Sport 350.
1935 350 cc 18 PS, 1 cyl., 4-stroke, Wehrsport.
1935 500 cc 15 PS, 1 cyl., 4-stroke, Godesburg.
1935 500 cc 18 PS, 1 cyl., 4-stroke, Sport 500. Bark ohv, 3 speed
1935 500 cc 2 cyl., 4-stroke, Kompressor 500. Imperia Boxermotor, 4 speed
Source: imperia-motorrad.de
