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2018+ Softail Models Breakout

Front ex flange nuts regularly come loose.

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Old Jun 27, 2023 | 02:11 AM
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Default Front ex flange nuts regularly come loose.
Hi all.I have a set if big shots staggered on my 22 fxfbs.The front flange nuts regularly come loose(more so the bottom one but the other sometimes too).Any idea why this might be?I've torqued them per the workshop manual which is up to 13Nm iirc.
 
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Old Jun 27, 2023 | 07:48 AM
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Tighten them again while the motor is hot.
 
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Old Jun 27, 2023 | 08:28 AM
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If the pipes don't have adequate support between the head and the trans area, they will come loose, eventually breaking the stud(s) in the head.
 
Last edited by natural gasser; Jun 27, 2023 at 08:29 AM.
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Old Jun 27, 2023 | 08:43 AM
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Originally Posted by natural gasser
If the pipes don't have adequate support between the head and the trans area, they will come loose, eventually breaking the stud(s) in the head.
it's a vance and hines full system new my man.It has plenty of support in the centre of the bike.
 
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Old Jun 27, 2023 | 09:05 AM
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Originally Posted by murphc13
it's a vance and hines full system new my man.It has plenty of support in the centre of the bike.
I don’t know about your setup, but when I installed the V&H Pro Pipe exhaust system on my Limited, I remember there being a specific sequence of tightening up everything. If your system came with instructions, did you follow them?
 
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Old Jun 27, 2023 | 12:27 PM
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Permatex 27200 Hiigh Temperature Threadlocker Red
 
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Old Jun 27, 2023 | 12:43 PM
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Old Jun 27, 2023 | 02:13 PM
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Originally Posted by Glenn Gorman
Permatex 27200 Hiigh Temperature Threadlocker Red
This might do.Thanks man.
 
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Old Jun 27, 2023 | 02:13 PM
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Originally Posted by eighteight
Cheers man.I don't think a special nut should be needed though
 
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Old Jun 27, 2023 | 02:18 PM
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Originally Posted by murphc13
Cheers man.I don't think a special nut should be needed though

I don`t either but you been struggling with this for six months...
 
Last edited by eighteight; Jun 27, 2023 at 02:20 PM.
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