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Two stroke cylinder, hone or no? 1995 Polaris 400L


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Hi I'm working on a 1995 Polaris explorer 400 two stroke, and I had planned to put in a new wiseco piston and rings and just hone the cylinder. I think it overheated at some point and the rings did not move freely in the old piston. The clymer manual I'm using doesn't really have much information as far as honing the cylinders on a rebuild, but I've been doing some reading and it seems that some cylinders are plated with some type of chrome or nickle plating but I'm not sure how to tell if it has been plated and if so with what. The Wiseco instructions say that their rings cannot be used in chrome plated cylinders. Any information on this topic would be greatly appreciated. 

Edited by NeedsWork
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  • NeedsWork changed the title to Two stroke cylinder, hone or no? 1995 Polaris 400L


Maybe someone with more knowledge than me can comment on Polaris 2 stroke specifically, but on nickel plated cylinders in general you're fine to give it a quick hone.  Really needs a good crosshatch to seat the new rings.  The nickel plating just means you can't bore it oversized without having to plate it again.  Interesting catch on Wiseco rings though, i've never noticed any advice against chrome plated cylinders.  Probably because the rings are softer than chrome and will just eat down.  Then again, I don't think I've ever had anything with chrome a chrome plated cylinder wall.

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