Problems can and do occur on old carbs and serve to reduce the performance and reliability of the engine, but, can be addressed by a complete strip down of the carburettor, sonic cleaning and then replacement of any part that carries signs of significant or even partial wear.
Other related components you may wish to consider:
Add as many new parts as you wish to the same hopping cart, new O-ring seals 092800500413246430101329529900 float pin 1325401010 & diaphragm 1350717C01 for example, and still only pay the same single fixed price shipping cost.
This component may have other applications within the Suzuki model range; so please ensure the part-numbers you order are correct for your model?