header stud install - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 21 (permalink) Old 06-16-2013, 11:02 AM Thread Starter
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header stud install

hey all. I was replacing my exhaust gaskets and when I was unscrewing the bolts the whole stud came with it and I noticed it was a little bent. so I ordered new and was curious if there was a specific way to reinstall the stud. thanks

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post #2 of 21 (permalink) Old 06-16-2013, 11:06 AM Thread Starter
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post #3 of 21 (permalink) Old 06-16-2013, 11:58 AM
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The easiest is to double nut the stud. There are two schools of thought on whether to loctite the stud or use some sort of never-cease. Me I usually just use a little never-cease and be done with it.



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post #4 of 21 (permalink) Old 06-16-2013, 12:00 PM Thread Starter
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What do you think it should be torqued to?

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post #5 of 21 (permalink) Old 06-16-2013, 12:02 PM
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What do you think it should be torqued to?

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Not in the manual? Is it 8x1.25? If so no more than 24lb/ft.



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post #6 of 21 (permalink) Old 06-16-2013, 12:05 PM Thread Starter
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thank you sir

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post #7 of 21 (permalink) Old 06-16-2013, 01:14 PM
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Not in the manual? Is it 8x1.25? If so no more than 24lb/ft.
Doesn't that depend on the alloy of the stud? I'm thinking that it's a harder alloy than most, due to it's environment. I don't know. Wouldn't that require a little more lbf.ft's?

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post #8 of 21 (permalink) Old 06-16-2013, 01:17 PM
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Doesn't that depend on the alloy of the stud? I'm thinking that it's a harder alloy than most, due to it's environment. I don't know. Wouldn't that require a little more lbf.ft's?
I was thinking more about the aluminum that the stud is going into...



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post #9 of 21 (permalink) Old 06-16-2013, 01:56 PM
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It's probably 10B22 or a like alloy...I'd use anti seize too.


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post #10 of 21 (permalink) Old 07-30-2013, 02:43 AM
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as a european car specialist (and otherwise jack-of-all-trades) ive seen/pulled/broke/removed many a stud in aluminum. using a install/remover socket ($30-40 bucks on the tool truck) and thread chasers is the way to go. anti-seize if you want it to come out again (a little goes along way)(also with the possibility to back out when you dont). double-nutting when the socket wont fit (trying not to use the nuts youre gonna use for the part. threaded studs with clean threads should be lightly oiled (the correct loc-tite formula for the application),spun in finger tight and barely snugged, the nuts are what get torqued to spec. when you go past that with the studs, youre pre-loading the threads which causes them to weaken when you torque the nuts. when you do have to remove them, the threads come out with the stud. (use time-serts, not heli-coils for repair)
just my$0.02....

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