The color also would indicate a 1975. It is correct for 1975 while 1974 only used "Mars Orange". I believe 1975 was the first year for the new shift pattern too. Toe up to shift like modern motorcycles, previous CT's were always shift-down. Like my 1974.

Glenn

1974 CT90 K5
2012 Honda Silver Wing
2005 Honda Gold Wing 30th Anniversary Edition

American Legion Riders Post 12
 Wickenburg, AZ

BZMF #091, English Chapter

" Keep brotherhood till die "