mileage isnt really a factor, it seems to be down to how theyre maintained. my 2 lady owner, fsh 2002 puma is on 77k and need a new engine because of crank walk. the puma my mates just bought is on 120+ and has no history, but the engine is sweet as a nut.

and it doesnt matter how many miles theyve gone, the arches will still be rusty