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strokerta
06-06-2010, 11:28 PM
Decided to try and rebuild my 83 250r. just wondering how far i can safely overbore it? thanks for the help
bigred44
06-07-2010, 09:09 AM
Check out wiseco website: http://www.wiseco.com/ProductSearch.aspx
dcreel
06-07-2010, 09:21 AM
It really depends on how much it has been bored in the past? If the cylinder is on it's original bore you have room for several more, unless the bore is scarred or grooved really bad. If the cylinder is on it's last bore, you will need to sleeve it.
strokerta
06-07-2010, 11:23 AM
Its .010 over at the moment.
nitrodude81r
06-07-2010, 06:02 PM
You can bore it out to .080. But if you are only at .010. IMO go to .020 or .030 depending on how the cylinder looks.