Quote:
Originally Posted by Motofool
As this problem is time related, I would open the valve cover and re-check the adjustment of all the valves.
Also, connectors that were removed for the valve adjustment, especially the ones for both spark coils (red goes to the lower connector).
Unless it is a fuel supply or water contamination problem, carburetors don't misbehave so dramatically in one week.
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Just out of curiosity. How would valves cause an engine to run rich? If intake valve lash is too tight too much air/fuel is getting into the engine?