Quote:
Originally Posted by dodgerdad
When I bought it I ran a feeler gauge through them and they seemed pretty darn snug so I thought nothing of it and left them alone considering the bikes low miles. Now I'm learning the valves on these engines tend to fall out of spec by closing up rather than the usual sloppy, wider clearance. With that in mind, a valve adjustment is now my next to-do item.
I hope to make time for it this weekend. I'll report back with my findings.
Thanks for the insight!
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I'm not saying for sure that's the problem, but my '05 250 did what you describe when I got it. When cold it wanted to idle at a couple thousand RPM or about 600, and wouldn't stabilize anywhere between. When it warmed up it was almost OK. The valve adjustment completely cured that problem, and also make it way easier to start.