All said already, well kept, it will last forever.
Main components are CVT in general, starter motor, some relais and at liquid cooled models, water pump and hosing. Those few bearings and oilseals wich are to be renewed once in a while....
Here in Italy you see scoots with way over 50 k on the clock. My two LIKES are at 51k now at good for another 20k. My Grand Dink 150 has 35k right now and I do not see that much of tear and wear on mechanical components.