Quote:
Originally Posted by marshallsmith27
this is insane I can’t even get a feeler gauge under the lift intake at all no matter what the size is
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These engines tend to close the valve clearances with miles, and it's worse when the engine is cold. The clearances are small to begin with, so if the engine has gone some miles, it's possible that some of the valves won't close all the way until it warms up.
The symptoms include hard starting and the tendency to want to idle at either a very low RPM or a couple thousand, and nothing in between. Then you ride it for a few minutes and it seems OK. Of course it gets worse and worse, and if you don't correct the problem, you damage the valves and seats.