12.5:1 compression or 11:1

[ommkevin]

Rocky Mountain (http://www.rockymountainatv.com/productDetail.do?webTypeId=50&prodFamilyId=3783&navTitle=Engine&stockId=68825&webCatId=17&navType=type)

i have the catalog and in it it says that the compression is 12.5:1

on the website it says 11:1 which is it


is it n e good

[2004exrider]

i believe that they offer it in both 12.5:1 and 11:1 compression ratios. I would personally get the 11:1 so i could still run pump gas, but if your not worried about it get the 12.5:1 and get a little more power.

Jimmy