OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Victa Two Stroke Engines 70 series MK1

To tell the difference between the 125 and 160, look at how the cylinder is attached to the crankcase, a 125 is held down at the base of the cylinder with 4 nuts, a 160 has long throughbolts that are used to hold both the cylinder and head on.