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how big?
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Posted by: ilpadrino113
how many cc's would boring a .020 over on an 85.50 mm bore give a 400ex?
Posted by: GPracer2500
85mm piston is 397cc
86mm piston is 406cc
So, I *think* a 85.5mm piston would give you 401.5cc.
Posted by: underpowered
quote:
Originally posted by GPracer2500
85mm piston is 397cc
86mm piston is 406cc
So, I *think* a 85.5mm piston would give you 401.5cc.
yup, 401.7ml is pretty close to what you would have.
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