Help!!!!!

[mean350]

my 78 atc 70 will not start for me at all. when i first got it it would fire up first pull every time. now it wont. when i pull it it kind of backfires out of the carb it seems like. what could this be? help me out. thanks

[ChrisD]

Change the spark plug and call the doctor in the morning.

[mean350]

could it be something with the carb? i would like to sell it soon so i need it running.

[250r'en +TCB]

First off try ChrisD's suggestion........ If that fails then you can look at the carb