2013 tgb bullet 50 engine life

[l0c0l0pez]

My bike has just hit 10000km and i was wondering what the general rule wad for the life of these 50cc motors. Am i getting close to needing a rebuild?
Any input would be awesome as id like to know what i should be expecting from this bike.

[harry]

when my scooters odometer turned over  i got to
put in a 70 cc kit  . i'm now 2/3 of the way around again.
starting to hear a tiny bit of rattling in the bottom end.

oilyhans