Model Model Years Cylinders Displacement Frame and Engine Numbers
R32 1923-1926 2 494cc
1001 - 4100 / 31000 - 34100
R37 1925-1926 2 494cc
100 - 275 / 35001 - 35175
R39 1925-1926 1 247cc
8000 - 8900 / 36000 - 36900
R42 1926-1928 2 494cc
10001 - 16999 / 40001 - 46999
R47 1926-1928 2 494cc
4201 - 5999 / 34201 - 35999
R62 1928-1929 2 745cc
20000 - 30600 / 60001 - 65000
R63 1928-1929 2 735cc
20000 - 30600 / 75001 - 76156
R57 1928-1929 2 494cc
20000 - 30600 / 70001 - 71012
R52 1928-1929 2 486cc
20000 - 30600 / 47001 - 51383
R11 1929-1934 2 745cc
101 - 9891 / 60001 - 73985
R16 1929-1934 2 735cc
101 - 9891 / 75001 - 76953
R2 1931-1936 1 198cc
15000 - 29999 / 101 - 14816