I just wonder when to NOT by a bike because of too many km driven, and has to be changed or having a really expensive repair.

S

It all depends on how it has been looked after - if the oil has been changed frequently and with high quality oil right from the start of its life, and the bike has generally been treated well, should be fine for 70k miles +....!

Thank you LordHammer :-)

I've had 30k and 50k miles ones,friend has almost 60k miles with no engine bother.

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2011 xt660z.
Yoshimura cans ,kev mod,Dna 2, Stahlkoffer panniers,Hepco Becker box,Givi crash bars,Mita e07 tyres.