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SX250 to 300 conversion. Jetting?

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Hello. I purchased a 2010 sx250. It has few hours and is in good shape. But.. 300 cylinder, sx head, and sx250 Procircuit pipe.
Ktm says no need for the jets to be changed on the 250 SX carburetor, but I heard 300 jetting is ok.

In general, what jetting should I use: 250 or 300? From manual or no?

Edited by kirillk_101

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