05-13-2020, 07:57 AM
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#38
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Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,555
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Quote:
Originally Posted by Megadan
I am not 100% sure what the X22R CB engine has stock, but usually the OHC motors are around 9:1 compression. So, at the very least you could have the head decked 2 thousands (.002 inches, or .5mm) to bump it up to about where you would want it.
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The stock gaskets on the engines have a triple layer head gasket. Like the CRF230F guys you can separate the gasket and use one layer which will give you a .5 increase in compression ratio.
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