mower on demo

hello I have had a rotary mower on demo its country of origin is dubious it begins with C the blade kept coming loose 6 yards had to re tighten soon fixed a shorter bolt did it left hand rear wheel came off 3 times when turning right drank fuel cant fix that no adjustment in carb it has one thing that's consistant its  dodo my 12 year old Victa 2stroke beat it hands down   jezza