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Everything Dirt Bike
Make / Model Specific
Kawasaki
what could be wrong 97 kx250
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<blockquote data-quote="ossagp" data-source="post: 189127" data-attributes="member: 1650"><p>Ok. There is no such thing as vapor lock within an engines cylinder. It is a condition of the fuel delivery system with the carburetor involved sometimes.</p><p></p><p>Detonation can damage a piston, and if it results in preignition the head can get what looks like chicken pox. A head gasket being damaged if the surfaces are right and the torque correct is pretty much out of the question.</p><p></p><p>Your compression ratio has not gone up so much as to cause concern as much as the shape and diameter of the squish area. Was the shape of the piston crown changed.</p><p></p><p>In light of what you told me about how the shop built this one so far I think I would be checking for piston seizure and port height just so I could know what was and wasn't done.</p></blockquote><p></p>
[QUOTE="ossagp, post: 189127, member: 1650"] Ok. There is no such thing as vapor lock within an engines cylinder. It is a condition of the fuel delivery system with the carburetor involved sometimes. Detonation can damage a piston, and if it results in preignition the head can get what looks like chicken pox. A head gasket being damaged if the surfaces are right and the torque correct is pretty much out of the question. Your compression ratio has not gone up so much as to cause concern as much as the shape and diameter of the squish area. Was the shape of the piston crown changed. In light of what you told me about how the shop built this one so far I think I would be checking for piston seizure and port height just so I could know what was and wasn't done. [/QUOTE]
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what could be wrong 97 kx250
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