Quote:
Originally Posted by Matt G.
It cannot get in through the rings...the bore is over an inch above the carb on these engines. If the needle and seat in the carb malfunctions on a K-series single, the fuel takes the path of least resistance out of the air cleaner. The only way for gas to get into the crankcase on these engines would be past the intake valve guide, and there's no way very much (if any) could go that way because the easy way out for the gas in this situation is out the atmospheric vent and out of the air cleaner.
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Yes, you have a good point. I was looking at my motor today and yes the situation presents as you have described. I was just hoping that he didn't have to tear her down again and could check the small stuff first.