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Crossfire 400r Irs
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09-18-2017, 09:05 AM
SYCARMS
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Join Date: Sep 2009
Location: Senatobia, Mississippi
Posts: 3,375
I cannot speak of the CH for it is a different type motor but the CN and CF motors have a 72mm bore. You should have about 175psi with good bore and new rings. These cylinders are not known to wear out.
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