On Sun, 25 Oct 2009 11:42:29 -0700 (PDT), Gel wrote:

In your experience when you do a hot start, is is necessary to
pump primer couple of times or not?

No, you only need to prime when starting from cold and I mean cold.
If it has run for a few tens of seconds it may well be warm enough
not to require priming.

--
Cheers
Dave.