I have in my possesion an older OS marine engine from the mid-seventies. Specifically, an OS Max 65 RSR-M, in brand new condition. However, I do not have a carb for it, and the 7 series carbs are too large for the opening in the backplate (I have 7D, M, L, DV, etc.) which obviously are incorrect. Does anyone know what the correct carb for this engine is???
Thanks