View Full Version : Dropped Valve?
rooster300ex
01-03-2007, 09:10 AM
What causes a dropped valve?
underpowered
01-03-2007, 09:16 AM
could be many things. a small burr on the stem, lack of lube, a burr on the guide, sometimes for no reason at all. i stuck a valve in my 400 teh other day for no reason. they were brand new kibble white valves and they just stuck. pulled it out, re ground it, and re-installed it and have not had a problem one since.
250X_project
01-04-2007, 07:51 AM
Bad keepers, incorrect timing, and inadequate springs will also do it.
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