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Message started by mumbles on 10/04/09 at 23:49:32

Title: Header flange bolt missing
Post by mumbles on 10/04/09 at 23:49:32

Hey guys first post in this section.

I was bending back the right side footpeg when I looked up and noticed one of the header bolts was missing. It dosen't have an exhaust leak that I can tell.

Should I just go to the dealer and order a bolt and a crush gasket or will it be OK if I just find a bolt at the hardware store and put it on? Also what size bolt would that be? thanks

Title: Re: Header flange bolt missing
Post by SavageDude on 10/05/09 at 00:28:38

IMHO Go with the OME parts when it comes to engine's area.

Title: Re: Header flange bolt missing
Post by justin_o_guy2 on 10/05/09 at 05:58:18

IDK what a stock bolt looks like offhand. Take the one out & go look for a replacement maybe? If you can get one that works, fine, why not? Just get Stainless.
Is the stock bolt stainless there? I cant remember.Seems it wasnt rusty,,& I know it gets hot, & wet & dirty.

Title: Re: Header flange bolt missing
Post by bill67 on 10/05/09 at 06:10:56

  I would get one from a dealer and if the exhausts not leaking just put the new bolt in.

Title: Re: Header flange bolt missing
Post by Paladin. on 10/05/09 at 08:00:02


0E160E010F0610630 wrote:
.... will it be OK if I just find a bolt at the hardware store and put it on? Also what size bolt would that be? thanks

Same thing happened to me a few years ago.  Rode to Lowes pulled the second bolt, went in and matched it up.  Not a problem.

Title: Re: Header flange bolt missing
Post by justin_o_guy2 on 10/05/09 at 08:35:12

IDK how far it is to Lowes from Paladins house, but from mine, thats gonna be one HOT bolt to be taking out & hauling in the store.
Take an oven mit?

Title: Re: Header flange bolt missing
Post by mumbles on 10/05/09 at 08:40:39

The reason I didn't want to take the other one off is so the crush gasket wont get moved around then it will also need replacement, right.
I'll call the dealer and "maybe just maybe" they'll have one in stock. (fingers crossed)LOL

Title: Re: Header flange bolt missing
Post by bill67 on 10/05/09 at 08:42:41

Best bet is to go to dealer and you with have same bolts on both side and gasket will be ok.

Title: Re: Header flange bolt missing
Post by justin_o_guy2 on 10/05/09 at 09:03:29

No real worries with the crush gasket. You pull that bolt & dont go messing around, it wont move. Its bolted at the rear, too. Besides, others have pulled the whole exhaust & not replaced the crush & no leaks.

Title: Re: Header flange bolt missing
Post by mumbles on 10/05/09 at 09:07:36


2D26232379784F0 wrote:
Best bet is to go to dealer and you with have same bolts on both side and gasket will be ok.


Thanks, called the dealer and they had to order one. Hopefully it will get here by the weekend.

Title: Re: Header flange bolt missing
Post by mumbles on 10/05/09 at 09:10:00


57484E4954536252625A48440F3D0 wrote:
No real worries with the crush gasket. You pull that bolt & dont go messing around, it wont move. Its bolted at the rear, too. Besides, others have pulled the whole exhaust & not replaced the crush & no leaks.


I'm gonna take another look at it.

Title: Re: Header flange bolt missing
Post by serenity3743 on 10/05/09 at 10:36:38


5E465E515F5640330 wrote:
Hey guys first post in this section.

I was bending back the right side footpeg when I looked up and noticed one of the header bolts was missing. It dosen't have an exhaust leak that I can tell.

Should I just go to the dealer and order a bolt and a crush gasket or will it be OK if I just find a bolt at the hardware store and put it on? Also what size bolt would that be? thanks


I'll betcha it's broken off.  If so, you're gonna have to take the header off, so you may as well replace the gasket too.  But leave the header and muffler as one piece when you remove it - it's easier to line up and shouldn't disrupt the connection between the two.

I've got one broken off right now.  Just waiting for a few other parts to come in so I can do several things while the bike is down for repairs.

To remove broken bolt, assuming it's flush with the head, use a Dremel tool with cutoff wheel to scribe a slot into the end of the bolt, then just back it out with a screwdriver.

Title: Re: Header flange bolt missing
Post by bill67 on 10/05/09 at 11:50:59

  You can stick a nail in there to see if it broke off.

Title: Re: Header flange bolt missing
Post by mumbles on 10/05/09 at 16:49:22

Update

The header bolt was not broken off. I took the other side off and went to Sears Hardware and found a replacement. It's a stainless steel 8mm x 1.25 X 30 mm. I went ahead and replaced both of them since the other one was rusty. Then I called the dealer and cancelled the order. hehe

Thanks guys for all the suggestions. ;)

Title: Re: Header flange bolt missing
Post by justin_o_guy2 on 10/05/09 at 16:54:31

& of course you used antisieze?
& you kept the old one as a spare, too, right?

Title: Re: Header flange bolt missing
Post by SavageDude on 10/05/09 at 20:39:24


273F2728262F394A0 wrote:
Update

It's a stainless steel 8mm x 1.25 X 30 mm.
Thanks guys for all the suggestions. ;)


You will properly tighten them with the proper torque's value, right? Sure hate to see a cracked exhaust manifold  :'(

Title: Re: Header flange bolt missing
Post by mumbles on 10/09/09 at 14:21:36


445B5D5A4740714171495B571C2E0 wrote:
& of course you used antisieze?
& you kept the old one as a spare, too, right?


Yes and yes.LOL

A while back I installed a 4 into 1 exhaust on a KZ750 and them header bolts were a PITA to come off. I learned a good lesson on not using anti-sieze.

Title: Re: Header flange bolt missing
Post by mumbles on 10/09/09 at 14:22:21


596B7C6B6D6F4E7F6E6F0A0 wrote:
[quote author=273F2728262F394A0 link=1254725372/0#13 date=1254786562]Update

It's a stainless steel 8mm x 1.25 X 30 mm.
Thanks guys for all the suggestions. ;)


You will properly tighten them with the proper torque's value, right? Sure hate to see a cracked exhaust manifold  :'([/quote]

Just a couple of grunts and called it good. ;)

Title: Re: Header flange bolt missing
Post by Digger on 12/13/09 at 21:42:09


312E282F32350434043C2E22695B0 wrote:
....Just get Stainless.....


Doesn't that bolt screw into a blind hole in the aluminum head?

If so, my last good brain cell is telling me there might be a problem using a stainless steel bolt screwed into aluminum.

Is there a concern there (galvanic corrosion?), or am I just totally OTL (again!)?

Title: Re: Header flange bolt missing
Post by verslagen1 on 12/13/09 at 21:50:37


052826262433410 wrote:
[quote author=312E282F32350434043C2E22695B0 link=1254725372/0#2 date=1254747498]....Just get Stainless.....


Doesn't that bolt screw into a blind hole in the aluminum head?

If so, my last good brain cell is telling me there might be a problem using a stainless steel bolt screwed into aluminum.

Is there a concern there (galvanic corrosion?), or am I just totally OTL (again!)?[/quote]
You got the same problem with the stock bolt.  Just apply the same anti-sieze you would for the stock bolt.

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