OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Victa Two Stroke Engines head stud replacement

Are you meaning the nut got rounded trying to undo it? Find a cheap socket one size smaller, preferably a six sided one, not the fine type, and hammer it on, will usually do the job if that is the problem. Otherwise post a picture of the problem and someone will be able to advise a course of action.