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580 Posts
Really no way telling it... to many factors..
but one groms crank let go at 20k miles.

Time will tell..
You should also add the hop up info.
The bike is designed for 125cc's and will last a long time. If you pump up the cc's and/or the compression, remember it was designed for a 125cc Engine size.
 

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197 Posts
I think they can go over 20 k and beyond. I just hit over 2000 and I feel new still. if you mod that's performance. performance = problems. if you don't know how to maintain these problems then it will blow up in your face. so if your not a mechanic don't do massive modification to your new stuff. I think with proper maintenance they will go forever but every ten thousand or so miles id recommend a crank job and rebuild just to be safe and keep fresh. btw you can never change oil or spark plugs too often.
 

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Sorry I'm so late, summers in Florida are brutal with rain and my new job is only a couple miles from work.. Logged something like 250 miles yesterday and today, broke 8000 in the process

Since the other person asked, mods are: ported head, cut butterfly shaft in tb, M4, various intake setups (currently dayco into stock airbox no filter) apitech fuel controller (previously IMAP) stiffer clutch springs and currently running Amsoil but for the past 7k miles has been GN4 nonsynth

 
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