Yr Eng Frame 191-ON 10000001-on 191-On 11000001-on 1975 -1977 Honda Atc 70's were not made 1978 ATC70E-200823 ATC70E-200823 1980 TB03E-20736 TB-20 TB03E-26751 TB030-BC600001-BC6 TB03 E-27283 TB03-CC700001-CC7 TB03E-28785 TB030-DC800006-DC8 TB03E-2900001-ON TB030-EC900001-ON Further questions about ATC 70's can be answered at: http://www.glamisdunes.com/invision/index.php?showforum=50. If you are unable to read it because of wear you can take a plain piece of paper and a crayon.