KTM broke in half.

LungButter
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Yellow Pine, ID US
4/19/2022 3:57pm
Brent wrote:
…because I can live in his head rent free this way. Besides, dudes who are ranting and name calling about this don’t even race moto, or...
…because I can live in his head rent free this way.

Besides, dudes who are ranting and name calling about this don’t even race moto, or even own a newer KTM, so why should I waste my time?
L.O.L.

There you go making ignorant assumptions again.

The truth is you don’t have any reasons. You just wanted to sound smart and now that you have been questioned you just give lame excuses.

Your arrogance is fucking laughable.
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Motodave15
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Temple City, CA US
4/19/2022 4:04pm
#434 wrote:
Are you joking or is there really a crack in line with the pinch bolt? If it’s real, replace the top triple clamp. And ask KTM...
Are you joking or is there really a crack in line with the pinch bolt?
If it’s real, replace the top triple clamp.
And ask KTM if they‘ve ever seen a crack in that area…
Im not joking, I can feel the crack with my fingernail... it dips in... I 1000% did not notice this until today, when I was looking at my bike before Glen Helen on Thursday. Now I'm not going... I have no idea when or how this crack showed up.
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Bruce372
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4/19/2022 4:16pm
Motodave15 wrote:
Should I replace this, I was just looking at my bike and happened to see this and then this thread and now I’m like 99% sketched...
Should I replace this, I was just looking at my bike and happened to see this and then this thread and now I’m like 99% sketched out

Replace or non issue?? (I’m already leaning towards replace)
How much is a new top clamp and how much is your ER copay?
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Motodave15
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4/19/2022 4:18pm
Bruce372 wrote:
How much is a new top clamp and how much is your ER copay?
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm replacing now.
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The Shop

4/19/2022 4:19pm
#434 wrote:
Are you joking or is there really a crack in line with the pinch bolt? If it’s real, replace the top triple clamp. And ask KTM...
Are you joking or is there really a crack in line with the pinch bolt?
If it’s real, replace the top triple clamp.
And ask KTM if they‘ve ever seen a crack in that area…
Motodave15 wrote:
Im not joking, I can feel the crack with my fingernail... it dips in... I 1000% did not notice this until today, when I was looking...
Im not joking, I can feel the crack with my fingernail... it dips in... I 1000% did not notice this until today, when I was looking at my bike before Glen Helen on Thursday. Now I'm not going... I have no idea when or how this crack showed up.
Shoot if you’re anywhere near socal there’s probably tons of bros with stock KTM clamps sitting in their garage. Brent probably does.
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Brent
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Temecula, CA US
4/19/2022 4:20pm Edited Date/Time 4/19/2022 4:26pm
Motodave15 wrote:
Should I replace this, I was just looking at my bike and happened to see this and then this thread and now I’m like 99% sketched...
Should I replace this, I was just looking at my bike and happened to see this and then this thread and now I’m like 99% sketched out

Replace or non issue?? (I’m already leaning towards replace)
Replace it.

Its a Husky right?

I have a stock one from a 2022, Ill give it to you if you pay the postage.

DM me with your name and address.

Edit - I dont think the Direct Messages are working here anymore.

Shoot me an e mail with your info if you want.

itzbrent@hotmail.com
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Motodave15
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4/19/2022 4:32pm
Brent wrote:
Replace it. Its a Husky right? I have a stock one from a 2022, Ill give it to you if you pay the postage. DM me...
Replace it.

Its a Husky right?

I have a stock one from a 2022, Ill give it to you if you pay the postage.

DM me with your name and address.

Edit - I dont think the Direct Messages are working here anymore.

Shoot me an e mail with your info if you want.

itzbrent@hotmail.com
just sent the email.
Brent
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Temecula, CA US
4/19/2022 4:45pm
Brent wrote:
Replace it. Its a Husky right? I have a stock one from a 2022, Ill give it to you if you pay the postage. DM me...
Replace it.

Its a Husky right?

I have a stock one from a 2022, Ill give it to you if you pay the postage.

DM me with your name and address.

Edit - I dont think the Direct Messages are working here anymore.

Shoot me an e mail with your info if you want.

itzbrent@hotmail.com
Motodave15 wrote:
just sent the email.
check your in box.
1
mxfuture
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Spokane, WA US
4/19/2022 4:52pm
Motodave15 wrote:
Should I replace this, I was just looking at my bike and happened to see this and then this thread and now I’m like 99% sketched...
Should I replace this, I was just looking at my bike and happened to see this and then this thread and now I’m like 99% sketched out

Replace or non issue?? (I’m already leaning towards replace)
doesn't look like a bolt issue... holy hell!
sandman768
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Saratoga Springs, NY US
4/19/2022 4:56pm
mxfuture wrote:
doesn't look like a bolt issue... holy hell!
Just a guess, but I think if the pinch bolt is tightened before the top bolt is, it puts stress on the top clamp… I could be be wrong…
3
1
SEEMEFIRST
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Arlington, TX US
4/19/2022 4:57pm
Strange break.
Torque issue?

Hell, just put a fender washer on it, and go for it....

No, don't do that.
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1
4/19/2022 5:01pm
Bruce372 wrote:
How much is a new top clamp and how much is your ER copay?
Motodave15 wrote:
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm...
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm replacing now.
but if you have a FSA that ER copay is pre tax.
3
MX558
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US
4/19/2022 5:02pm
I've had japanese bikes for almost 50 years and don't see these issues . I know stuff breaks but KTM seems to have more issues with critical parts failing . I do love my 350 but I definitely feel safer on my Kx
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mxfuture
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4/19/2022 5:08pm
sandman768 wrote:
Just a guess, but I think if the pinch bolt is tightened before the top bolt is, it puts stress on the top clamp… I could...
Just a guess, but I think if the pinch bolt is tightened before the top bolt is, it puts stress on the top clamp… I could be be wrong…
yeah, either way..

no thanks!

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aeffertz
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La Crosse, WI US
4/19/2022 5:09pm
Brent wrote:
…because I can live in his head rent free this way. Besides, dudes who are ranting and name calling about this don’t even race moto, or...
…because I can live in his head rent free this way.

Besides, dudes who are ranting and name calling about this don’t even race moto, or even own a newer KTM, so why should I waste my time?
Just admit you were doing a shameless plug for one of your sponsors. FFS this whole “I don’t need to explain because if you were smart you’d know” charade is painful when it’s clear you’re just promoting someone who is helping you in your endeavors.
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Melicar
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4/19/2022 5:12pm
Sandusky26 wrote:
I can’t believe the first thread I start on vital created such a shit storm.

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Bruce372
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4/19/2022 5:47pm
Bruce372 wrote:
How much is a new top clamp and how much is your ER copay?
Motodave15 wrote:
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm...
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm replacing now.
I had to remind myself of that when the garage door spring needed changing out.
1
4/19/2022 5:56pm
Bruce372 wrote:
How much is a new top clamp and how much is your ER copay?
Motodave15 wrote:
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm...
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm replacing now.
Check mxlocker.com
1
1
wrc777
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Greenwood, IN US
Fantasy
4/19/2022 7:01pm
Bruce372 wrote:
How much is a new top clamp and how much is your ER copay?
Motodave15 wrote:
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm...
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm replacing now.
Change the bolt too.
1
LungButter
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Yellow Pine, ID US
4/19/2022 7:59pm
Brent wrote:
Replace it. Its a Husky right? I have a stock one from a 2022, Ill give it to you if you pay the postage. DM me...
Replace it.

Its a Husky right?

I have a stock one from a 2022, Ill give it to you if you pay the postage.

DM me with your name and address.

Edit - I dont think the Direct Messages are working here anymore.

Shoot me an e mail with your info if you want.

itzbrent@hotmail.com
That’s a solid move.

Tip of the cap sir.
8
Bruce372
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US
4/19/2022 8:05pm
Motodave15 wrote:
Should I replace this, I was just looking at my bike and happened to see this and then this thread and now I’m like 99% sketched...
Should I replace this, I was just looking at my bike and happened to see this and then this thread and now I’m like 99% sketched out

Replace or non issue?? (I’m already leaning towards replace)
Brent wrote:
Replace it. Its a Husky right? I have a stock one from a 2022, Ill give it to you if you pay the postage. DM me...
Replace it.

Its a Husky right?

I have a stock one from a 2022, Ill give it to you if you pay the postage.

DM me with your name and address.

Edit - I dont think the Direct Messages are working here anymore.

Shoot me an e mail with your info if you want.

itzbrent@hotmail.com
You're a stand up dude Brent!

Good on ya mate.
3
McG194
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Palm Coast, FL US
4/19/2022 8:10pm
Bruce372 wrote:
How much is a new top clamp and how much is your ER copay?
Motodave15 wrote:
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm...
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm replacing now.
Bruce372 wrote:
I had to remind myself of that when the garage door spring needed changing out.
Yeah, fuck that job.
6
Bruce372
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US
4/19/2022 8:12pm
Motodave15 wrote:
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm...
I like this analogy but with my insurance now, it is exactly 350$ which is in the ballpark of new upper triple clamps lol...so yeah I'm replacing now.
Bruce372 wrote:
I had to remind myself of that when the garage door spring needed changing out.
McG194 wrote:
Yeah, fuck that job.
And whenever they show up, you have the wrong spring and they have the right one! Lol
Sandusky26
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4/20/2022 3:00am
I want to wish everyone in this thread happy holidays, best day of the year for this hippy.
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mx317
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4/20/2022 5:01am
sandman768 wrote:
Just a guess, but I think if the pinch bolt is tightened before the top bolt is, it puts stress on the top clamp… I could...
Just a guess, but I think if the pinch bolt is tightened before the top bolt is, it puts stress on the top clamp… I could be be wrong…
There is definitely a proper sequence to doing this.
1
LungButter
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Yellow Pine, ID US
4/20/2022 8:30am
Sandusky26 wrote:
I want to wish everyone in this thread happy holidays, best day of the year for this hippy.
Yeah boy! Saved up a big ol' ball of hash just for the occasion!

Planning to take a rip and go for a rip later today, hopefully my BRP top clamp on my modern KTM is torqued correctly so it doesn't break!
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kb228
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Mansfield, OH US
4/20/2022 9:44am
Technical discussions on vital offer an interesting insight into how many of us ingest information in the current world. People with expertise and technical background posting...
Technical discussions on vital offer an interesting insight into how many of us ingest information in the current world. People with expertise and technical background posting alongside people just winging it and going with their gut. Both sides being completely confident, makes it very hard to discern what’s based on sound technical reasoning unless you already have expertise in the field. Sort of a catch 22
Its very easy to tell who knows what theyre talking about and who doesnt have a clue but thinks they do after googling what youngs modulus is for 10 mins
philG
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GB
4/20/2022 4:12pm
philG wrote:
the colour of the breaks. Just by looking at it you can see there are indications on the bolt and nothing on the clamp. If you...
the colour of the breaks.

Just by looking at it you can see there are indications on the bolt and nothing on the clamp.

If you sent that for analysis, the grain structure would show clearly.

When you get to stuff like this, at the top level, the drawing will even state if it can be made out of flat or round stock, and it will specify the grain direction too. That is on top of a detailed material spec, which the best manufacturers would test per batch, irrespective of what the certs tell them.

forensic wrote:
With all due respect, I believe you are speculating and giving vague technical-sounding statements. (unless you care to explain) I have worked with metallurgists on mechanical...
With all due respect, I believe you are speculating and giving vague technical-sounding statements. (unless you care to explain)
I have worked with metallurgists on mechanical failures like this and there is no way you can look at that photo and tell that the bolt was over-tightened. A little quick to throw the mechanic under the bus IMO. Unless there is a good reason to assume that... i.e., are those other similar failures also a result of over-tightening, or did the mechanic say he cranked on it? if so, then it is probably time to emphasize proper installation in the product literature!
I never said it was over tightened, i said i thought it failed.first. .

From what is visible , its a typical bolt failure, at the end of the thread.. if it was loose or over tightened, or torqued correctly, it still broke.

I have seen more failures from bolts being too loose than tight, stuff that is too tight breaks pretty quickly, whereas stuff that backs off, does it over time and may have been fine for a while.



You can see on here where the grain structure shows the crack starting at the thread root at the bottom, spreading up, and then failing and moving to the top. The time frame for that may be very short once the initial cracking starts, but there is a timeline, whereas on the clamp picture, the break is clean ,and there is no obvious change of colour.





A good lab guy would tell you from looking at the grain structure.. i know the guys we used could do that . Loss of clamp load will always make stuff move till it breaks.


How many times have you seen a bolt snap, where the head came off and left the shank?

It doesnt , because the under head radius stops that happening.





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4/20/2022 5:30pm
kb228 wrote:
Its very easy to tell who knows what theyre talking about and who doesnt have a clue but thinks they do after googling what youngs modulus...
Its very easy to tell who knows what theyre talking about and who doesnt have a clue but thinks they do after googling what youngs modulus is for 10 mins
That’s certainly true, but I feel like there were people that read that and thought no idea what Young’s modulus is or elastic deformation is but those engineers in Austria must be total idiots. I mean we had guys in another thread swearing a motorcycle could rotate around the rear axle in the air a few months ago.
4

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