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2007 crf280 jetting question

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I bought an 07 crf250 with an athena 280 big bore kit installed. Bike has full fmf exhaust and hot cams camshaft. Just wonderin what kind of jetting i should have because its still stock jetting. Im a trail rider, i dont race and im rarely ever at a track. I live right beside the northern great lakes and never travel further than say 200kms to ride. Lookin for advice on the best setup in all temps and overall performance

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