i have a 58 model sa 200 forsale.it is a very very  clean machine.just needs to be painted.it has a new water pump/rebuilt mag new head gasket.all four cylinders hold 130psi.also a new muffler.it is a very smooth running machine.starts right up dont smoke ,never hit the choke.got two and want to sell one to put the money towards new house only reason i'm selling.i am asking 4000obo for the welder.feel free to contact me with any other questions Vern (214)534-0216