RE: OPS .65, piston/liner condition
You can find Perry carbs on about anything except a SS Jett. I have a OPS with a OS carb fitted to the back plate for more fuel/air by one of the German engine nuts who does fine work from what I can see. None the less, the thing scares me with the cut down piston skirt, lightened rod and crank. Probably never see anything with wings around here, but the estate sale should bring good money. ENJOY