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Best way to attack this shock bolt

  • hcdiiiga
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Best way to attack this shock bolt was created by hcdiiiga

Shock bolt on the chain side. It's going to ruin the inner threads if I force it out. My only idea is to take a dremel and grind the bad threads away.

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25 Sep 2021 09:00 #1

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Replied by Gr8uncleal on topic Best way to attack this shock bolt

Maybe try to find a die in the form of a nut and repair the thread before removing. Or, if you remove the bolt as is, it might be possible to use a tap to correct any damage to the thread in the swing arm.

On my RD350B, someone had forced on a crown nut to the upper fork mount with the wrong thread pitch, but I managed to correct it with a nut shaped die with the correct pitch.
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25 Sep 2021 09:19 #2

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Replied by msavitt on topic Best way to attack this shock bolt

I would cut if off close to flush with your dremel 
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25 Sep 2021 09:32 #3

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Replied by turbodan on topic Best way to attack this shock bolt

Either grind off the bad threads like you said or cut if off close like msavitt said.  Don't know which would be quicker and easier.
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25 Sep 2021 09:53 #4

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Replied by alnarv on topic Best way to attack this shock bolt

I have used a small "V" shaped file to clean up threads like that.
26 Sep 2021 06:59 #5

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  • hcdiiiga
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Replied by hcdiiiga on topic Best way to attack this shock bolt

i  forgot I have a thread file around here if I can find it,   bunged up the threads a v strom countshaft one time. If not,  I'm going to spring for a Harbor Freight tap and die set, see if that works before I start  cutting.
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26 Sep 2021 18:08 #6

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Replied by RT360Fan on topic Best way to attack this shock bolt

Those threads might clean up fine with a proper file.  Thread restorer die would obviously work too.  Good luck!
26 Sep 2021 18:31 #7

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Replied by RT325 on topic Best way to attack this shock bolt

If you go with a tap n die set just be sure the 10mm is 1.25 pitch. Other thing is if its damaged is it because someone has belted it end on a compressed the threads so running die over makes what you can see look nice but might not be in time with whats in the arm--i'm complicating things sorry.
26 Sep 2021 21:53 #8

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