sizing difference 200X barrel 84 Vs 86

[Leevvii]

Could someone give me some details on the sizing difference between an '84 Vs '86 ATC 200X barrel, as in a '84 model, compared to the '86 barrel. I am re-lining a cylinder on an 84 model, but the only sleeve's i can get are for 1986 model, wondering if they will fit?

[oscarmayer]

I believe length is different between the 2. The piston is nearly identical as Wiseco has the Pistons set to work with 83-87. The head chambers are slightly different and from there things are different.


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[christph]

You may want to contact Mickey Dunlop at Four Stroke Tech. He has been working on the 1st generation 200X and recently developed a big bore kit for it. I know he had to resleeve the cylinder and you might ask him what he used.