Maintenance & Technical > KX500 Original

First Top End rebuild - Need advice - Pics included

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BDI:
I have never honed a plated cylinder myself. any time I have ever honed an iron cylinder it has been in and out once or twice that's it, just enough to put a 45 degree cross hatch on it. From my experience a ceramic plated cylinder that's worth using still has a cross hatch in it. Any time a plated cylinder shows wear of any kind I would elect to have it replated and let Maxpower put a nice cross hatch on it for me. I could not sleep at night knowing I put a brand new shiney piston in a worn out hole. That's just me I'm anal like that.  :wink:

stewart:

--- Quote from: BDI on January 30, 2008, 12:15:11 PM ---I have never honed a plated cylinder myself. any time I have ever honed an iron cylinder it has been in and out once or twice that's it, just enough to put a 45 degree cross hatch on it. From my experience a ceramic plated cylinder that's worth using still has a cross hatch in it. Any time a plated cylinder shows wear of any kind I would elect to have it replated and let Maxpower put a nice cross hatch on it for me. I could not sleep at night knowing I put a brand new shiney piston in a worn out hole. That's just me I'm anal like that.  :wink:

--- End quote ---
dittoooooooooooooooooooooooooooooooooo  stewart

Hillclimb#42:
I'm glad I'm good company on this one. I don't mess with saving money on do-it-yourself rebuilds. Its risky business putting a new piston in a cylinder that is not replated. If a motor has low hours and no damage, you can surely put a piston in it, but only once like that. If there's damage of any kind, it is thru the plating. They clean up the cylinder and plating fills in tolerances back to stock size. Any boring or honing should be done by experienced engine builder with mic's. If you want to save money and do most of the work, dissassemble, take just cylinder to engine builder. Order your rebuild kit after varifying piston size, and reassemble yourself. Plating and micing are only a fraction of the costs and labors of the total rebuild. They like to get a mark-up on the rebuild kit, and rightfully so, if you are not confident enough to get the parts yourself. You will save money in the long run, delegating out some things not to mention the added peace of mind while ripping it up out in the wilds.....

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