hi new here hope to get some help have a 25 johnson made in 71 got overheated the other night and i have to put a new head gasket and exhaust gasket on it before i do is there anyone that can tell me the stock bore diameter of this motor just would like to know how worn it is before i go very far starts great 1 pull every time not running so great right now with head gasket blown though the bore measures 2.495 on my caliper bores apear to be clean a few places but nothing to be concerned with still has cross hatch marks visible thanks for any help with this
