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Author Topic: allowable overbore for 'modern' engines  (Read 1772 times)

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Offline bitpusher

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allowable overbore for 'modern' engines
« on: February 05, 2013, 04:27:44 AM »
i seem to remember having read that the overbore allowance for non-vintage engines has been relaxed for 2013 but i can't find it again.

can anyone clarify allowable overbore for modern engines?
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Offline nrhs sales

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Re: allowable overbore for 'modern' engines
« Reply #1 on: February 06, 2013, 05:46:11 PM »
there is no allowance in AMA for modern engines.  If your engine is 1351cc then you would have to run ion 1650cc class.
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