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Twins Talk Discussion of Hinckley Triumph Twin related matters and topics.

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Old 11-03-2012, 07:49 PM   #431 (permalink)
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PopPop, excellent summary!


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Old 11-04-2012, 10:40 AM   #432 (permalink)
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I drilled out the mounting holes in the stirrups to 3/8 " (mids as well as passenger) and added aftermarket clevises and pegs. Look better than the fugly stockers...
Easy STRONG fix, mod, repair...
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Old 11-04-2012, 12:48 PM   #433 (permalink)
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I drilled out the mounting holes in the stirrups to 3/8 " (mids as well as passenger) and added aftermarket clevises and pegs. Look better than the fugly stockers...
Easy STRONG fix, mod, repair...

Hi Flaco can you provide pictures on your mod and provide supplier with part#s for your clevises and pegs.
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Old 12-12-2012, 03:35 AM   #434 (permalink)
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re: "There were never any clear conclusions "

Well, actually there have been opinions from a couple technical guys who, last I read, agreed that one should make sure the pegs are tight and just ride the bike. That would be rbneil and norton.

And there's me. I do failure analysis for a living...only on serious stuff like Jet Fighters and Nuclear facilities. I told you all there was no design flaw 5-6 months ago. There isn't. You have no valid evidence of design failures...instead what is clear is that there are a lot of loose pedal mounts.

One last time...everyone here go tighten your foot peg mounts, give it your best estimate on the side where you can't get a torque wrench. Wait 3 months and do it again. 1) you'll find that after 3 months they are still tight and 2) you'll notice no new failures have taken place.

Tighten your pegs...enjoy your bikes!

Peace
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Old 12-12-2012, 04:46 AM   #435 (permalink)
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Originally Posted by traveler501 View Post
re: "There were never any clear conclusions "

Well, actually there have been opinions from a couple technical guys who, last I read, agreed that one should make sure the pegs are tight and just ride the bike. That would be rbneil and norton.

And there's me. I do failure analysis for a living...only on serious stuff like Jet Fighters and Nuclear facilities. I told you all there was no design flaw 5-6 months ago. There isn't. You have no valid evidence of design failures...instead what is clear is that there are a lot of loose pedal mounts.

One last time...everyone here go tighten your foot peg mounts, give it your best estimate on the side where you can't get a torque wrench. Wait 3 months and do it again. 1) you'll find that after 3 months they are still tight and 2) you'll notice no new failures have taken place.

Tighten your pegs...enjoy your bikes!

Peace
John
Very good post John, had no probs with three T100s.

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Old 12-12-2012, 07:03 AM   #436 (permalink)
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Quote:
Originally Posted by traveler501 View Post
re: "There were never any clear conclusions "

. . . . . . . .

And there's me. I do failure analysis for a living...only on serious stuff like Jet Fighters and Nuclear facilities. I told you all there was no design flaw 5-6 months ago. . . . . .


Tighten your pegs...enjoy your bikes!

Peace
John
John, unless you actually tested the foot pegs yourself I don't think you can just say that there is no design problem. You might be right based on your experience, but making that kind of statement without facts seems irresponsible.

I do agree that tightening the pegs is a good idea but relying on someone to guess at the correct torque also seems rather unscientific for someone who works on serious stuff.
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Old 12-12-2012, 07:33 AM   #437 (permalink)
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Weren't most of the incidents related to a piece of metal breaking, and not a bolt/nut coming loose and separating?
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Old 12-12-2012, 07:35 AM   #438 (permalink)
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Originally Posted by PopPop View Post
John, unless you actually tested the foot pegs yourself I don't think you can just say that there is no design problem. You might be right based on your experience, but making that kind of statement without facts seems irresponsible.

I do agree that tightening the pegs is a good idea but relying on someone to guess at the correct torque also seems rather unscientific for someone who works on serious stuff.
I approve this message and agree 100%.

Jet Fighters and Nuclear facilities compared to Motorcycles = Apples and Oranges and why? Because Jet Fighters and I am sure certain parts in a Nuke Plant usually have safety wires includes into the bolt and nut. You do not often see that on street motorcycles much especially something like a Bonnie and especially something like a foot peg.
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Old 12-12-2012, 07:37 AM   #439 (permalink)
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Weren't most of the incidents related to a piece of metal breaking, and not a bolt/nut coming loose and separating?
Bolt Breakage. Right at the joining point if I remember right of the clevis point.
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Old 12-12-2012, 07:41 AM   #440 (permalink)
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I've looked at many other bikes since this issue came up and could only find one other one with the same bolted-up clevis bracket but that was by means of an M10 high tensile allen bolt rather than an M8 welded stud.

All the rest have the clevis bracket built in one piece with the outrigger forgings or other sort of bracket, including other Triumphs, the Bonnie seems to be an exception. The Scrambler does have the clevis in one piece with the outrigger though.

Strangely enough this morning I had a nice ride on a friend's new Honda CBF600 Hornet and the first thing I did was to examine the footpeg fixings closely. My friend was a bit nonplussed about that and asked what was I looking at. I explained excitedly with some pleasure that his footpegs were mounted on fixed clevis brackets...

I think he believes I've flipped or suffer from dementia or something. All those lovely technical features on his new bike and I concentrated on his footpegs...

Last edited by Forchetto; 12-12-2012 at 07:46 AM.
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