The short answer is yes you can simply replace the headset. The hard part is finding a good replcement. is it a threaded or threadless? 1" or 1 1/8" and lastly and most important the stack height.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk