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Piston Compression question & help - 09 KX250F

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im buying a JE PISTON'S high compression, i believe stock compression is 13.5.1 ... the one i am buying has the compression ratio set at 14.0.1 (http://www.jepistons.com/Products/274179.aspx) which is...i know very high!

I know i will have to run race fuel, but would it be OKAY if i were to mix 2 gallons of 93 octane & two gallons of race fuel....? Or what octane should i try to stay around (average) when mixing the 93 and race gas?

Please help me ... with anything you know to add!

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