At our last annual we lost your primer assembly accroding to the SB.
Before, our 1980 M20K was starting like a charm - at least cold.
But since then starting became more and more a PITA.
Starting needs a lot of fuel and the starter motor has to turn the prop quite a while.
Now we found out that after a couple of seconds it seems to be fine just to release the ignition key and it starts. Sounds funny?
I was thinking of magneto issue, but both of them were replaced with ov