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80 Kdx 175 Cylinder

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Mar 1, 2015
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#1
Hello all, just acquired a 1980 KDX 175A and after inspection found the cylinder to be badly scored, although it does run/idle well it wont produce power under load. Piston and rings are brand new by previous owner. Is it possible to bore/hone or resleeve these cylinders? I was under the impression that because they were "FUSION" formed? that this could not be done. Any info would be great appreciated as I like the bike and would like to hang onto it.
 

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jaguar

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Jul 29, 2000
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#2
It's very likely that you need to replace the crank seals and possibly the reeds.
Any cylinder can be resleeved if there is a place that offers sleeves for it. But a steel sleeve is not as good as a plated cylinder. Check with the businesses that can replate the cylinder and see if they can fill in the trenches before plating it.
 
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#3
Thanks Jaguar. Was thinking the same thing about the seals and reeds but its nice to know the cylinder can be fixed. Ill keep ya posted on my progress.
 
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