Thanks for the replies, I have installed all new ingnition parts including the coil. I have ran the motor in the driveway several times up to operating temps but I'll keep an eye on the coil.
I do have an auto choke however everytime I check it after it dies I look it over good and I didn't notice the choke shut (I have the filter off)
Thanks for the ideas, I'll keep you posted!!
ND