OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Victa Two Stroke Engines VICTA VSX 160 PROBLEM

My first suspicion would be an induction air leak. It sounds like a half-crank Victa, so the first places to look for the leak would be the O-rings (both in the intake pipe near the carburetor, and the crankcase seal under the starter).