:welcome:
While points and condensors are tune up items ahich should be replaced periodically, I really like to check things before I start replacing parts.
You can get exactly the same symptions from a plug of crud stuck in the bottom of the fuel line or a blocked tank breather.
First step is to do some easy diagnostics and the easiest one is to pop an in line tester on the spark plug.
If the tester stops flashing before the engine stops do as per suggested by Grubby