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Everything Dirt Bike
Make / Model Specific
KTM
New Top End Problems
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<blockquote data-quote="Harfend" data-source="post: 201033" data-attributes="member: 3724"><p>Thanks for the reply. I did check the end gap and found it was in the specs listed in the factory manual; however it was on the tighter side of the allowable amount. If I get to that point again, I will certainty go to the bigger gap... I did not find a spec for "wall clearance" but I did send the piston along with the cylinder to the coating specialist. I have no power valve. That came on an 87 bike. </p><p></p><p>At this point I am assuming the piston is stuck to the wall of the cylinder. Any ideas on how to free it? I am able to remove the cylinder head and am thinking of rapping the piston with a piece of wood and a hammer to break it free. Any thoughts.....? I am hoping to not damage the piston and reuse it if possible. The last time I took the top end apart the motor would turn over, but the ring was stuck to the piston and I had no compression. Now the engine is stuck.</p><p></p><p>Thanks!</p><p>HARFEND</p></blockquote><p></p>
[QUOTE="Harfend, post: 201033, member: 3724"] Thanks for the reply. I did check the end gap and found it was in the specs listed in the factory manual; however it was on the tighter side of the allowable amount. If I get to that point again, I will certainty go to the bigger gap... I did not find a spec for "wall clearance" but I did send the piston along with the cylinder to the coating specialist. I have no power valve. That came on an 87 bike. At this point I am assuming the piston is stuck to the wall of the cylinder. Any ideas on how to free it? I am able to remove the cylinder head and am thinking of rapping the piston with a piece of wood and a hammer to break it free. Any thoughts.....? I am hoping to not damage the piston and reuse it if possible. The last time I took the top end apart the motor would turn over, but the ring was stuck to the piston and I had no compression. Now the engine is stuck. Thanks! HARFEND [/QUOTE]
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Everything Dirt Bike
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New Top End Problems
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