I took a couple more pictures for you one is of the magneto unscered you can see the wire disappearing under the flywheel.
the other is of the carb so you can see the blue knob and what it does
I have never had a look at the points(didnt know there were any)maybe they need replacing or the condenser or both (this i know from my older cars that had distrutors
Pete

Attachments
Magneto unscrewed.JPG (1.32 MB, 248 downloads)
Carbureter.JPG (1.38 MB, 261 downloads)