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Re-boring 2008 arctic cat 366

spigmef

By spigmef
in Arctic Cat ATV Forum

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spigmef Apprentice

spigmef

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So just a few weeks ago I bought a 2008 arctic cat 366. The air intake was FULL of dirt so the rings went on it. It was definitely swamped. I tried honing it but there is still a groove going horizontally where you can feel a bump in it, possibly an indent. So I need to bore it out, anyone know a place near Langley I can go to? I also have no clue where to get my new piston and rings from since I will need larger ones, as well as the size of the new piston. I appreciate the help!

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Ajmboy Grand Master

Ajmboy

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I'm not from the area, but I would search for a local machine shop that does work for the repair garages in your or neighboring town. Talk to them to see if they will do it and if you can supply the parts, which you can order online.

* Moved topic to Yamaha ATV forum and added ATV info into topic title.

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davefrombc Mentor

davefrombc

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According to  what I could find the  AC  motor  is actually  built by  Kymco.  The  366  has an  81 mm  (3.188") bore.

This   L.A.  outfit sells a  sleeve kit  for  them. . I couldn't find any  mention   of oversize  pistons, so  it  may be sleeving the  bore and  new stock  piston is the  only way to go.

https://www.lasleeve.com/downloads/2013-Catalog-ATV-Section.pdf

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