so every 50 starts or so, the engine will turn a fraction of the way over and then *click* no power--it sounds anemic when turning a fraction of the way over, or it just doesn't do anything at all. all I have to do it try it a couple of times, usually no more than 3 or 4 times this electrical wierdness is gone and then it makes a robust, normal starting noise and the engine turns over just fine. This happens so infrequently it isn't a problem now, but is it indicative of a more serious problem?
What is going on?