Search:

The choke might be reversed so off is on or u might have bad gaskets on the carb and can make you need to choke it to run because the gaskets are bad letting more air in then needed. I wouldn't...

There is a plug under seat for safety reasons try unplugging it and plugging it back in it will not run with it unplugged.

Check your belts and if they are not poped off then u most likely blow out your transmission

I have the same tractor but I don't have a starting problem but its probably your ignition because mine starts but does not shoe charging when running until I giggle the key around in the ignition...