The TY175 was manufactured for the following years: 1975, 1976, 1978, 1979, 1980 & 1983

1975 = B     1976 = C     1978 = E     1979 = F     1980 = G     1983 = K

Also the model years for Yamaha’s run as follows (These are model years and not necessarily year of manufacture which may be a year earlier)

N.B. This information should be used as a guide only. Please let us know if their are any inaccuracies or amendments, we would very much appreciate any information you have regarding where in the world these bikes were sold into.