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Interesting technical issue with potential catastrophic results. I hope KTM owners keep an eye on their frames. Just like all moto owners should - we pound the crap out of these things and stuff will break eventually regardless of the quality of the material, engineering, or construction.
Welds crack from the inside usually, so even crack testing doesnt find something till its made it to the surface, by then, its almost too late. These can develop as the weld cools, its part of the process to make sure they dont.
Where you get a crack from the end of a weld, that is load generated, like the engine mount plate one, these can be caused by vibration, loose bolts, (or not properly tight) .
Stuff breaks, the idea that you can expect a competition bike, to take the punishment it does, and last indefinatley, is a bit of a push.. i think i have broken 5 frames in 42 years of racing , and 2 swingarms, i am not hard on bikes, but i have mates who just kill everything they lay their hands on.
While catastrophic failure like this isnt common, it will happen,at some point.
The Shop
Sounds like KTM came through once again with some excellent customer service on a three year old motocross bike that they have zero clue on the history of. Congrats on that and good thing you didn't get hurt! Now go buy a lottery ticket.
You really have to love the 8 pages of doom and KTM gloom and then the owner shows up to tell us KTM has him a new frame and parts on the way. One more reason KTM is conquering the world of off road motorcycling.
Lots of good dudes on here contributing and then there’s this guy, squirrelings
Did KTM in fact identify a problem with that part number?
Was it an isolated number in the production run, or the entire production run?
I see a new part number in the fiche for 2017.
If a replacement frame is provided, which part number will it be?
Etc.
Pit Row
quite hard to determine why as many instances are with similar level riders on the same tracks..
but it happens, some guys are just good at
fcking shit up..
on the up side it did teach me how to do gearboxes at a rather early age.
but fck me it was annoying as hell and very very expensive,
with zero help from yamaha even tho it was a faulty part that was superceded by the time of my 3rd failure..
You should seriously think about your life choices.
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