OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Victa Two Stroke Engines 1970's victa mulch/catch 160cc chewing blades

here are the pics mate, these blades were new and all it took was 15 lawns to do this to em


here is a close up



to me it looks like there burnt hence why ask about the exuast heating them up
is it posible im running mower to hard?