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Message started by stinger on 04/23/14 at 15:23:32

Title: Exhaust bolts
Post by stinger on 04/23/14 at 15:23:32

Apparently I have lost my two exhaust bolts that secure the exhaust pipe to the head. I will find them as soon as order and pay for replacements. It always works this way for me. Mu question is whether anyone has used different bolts that I can obtain from a auto or hardware store. Right length and thread size. I have called my dealer and a couple of other places but I was told it would take up to two weeks for them to replace them. Been a long crappy winter and spring and now I'm ready to ride except for the bolts. If anyone could help I would appreciate it. I will delete this post soon either way. Thanks

Title: Re: Exhaust bolts
Post by S-P on 04/23/14 at 16:01:43

I got stainless replacement bolts at Ace Hardware for a couple bucks. I didn't get the acorn heads just regular hex head and a lock washer. They seem to work fine.

Title: Re: Exhaust bolts
Post by S-P on 04/23/14 at 16:55:11

76716C6B626077050 wrote:

Thanks S_P! Do you know the length of the bolt? If not I guess I'll do trial by error. I guess just so they are long enough to secure the exhaust to the head tightly is what is important. Once again thankyou!

Unfortunately not, but I recall them being about an inch and 3/4 at least. You can probably stick a piece of wire in the hole and see if it bottoms out then measure the wire and subtract about a quarter inch to be safe
.

Title: Re: Exhaust bolts
Post by stinger on 04/23/14 at 16:57:16

Thanks S-P! Sorry to be a pain but what length would you suggest and do you know the thread size? If not, there is always trial by error. Once again thanks for the help!

Title: Re: Exhaust bolts
Post by S-P on 04/23/14 at 17:08:26

2A2D30373E3C2B590 wrote:

Thanks S-P! Sorry to be a pain but what length would you suggest and do you know the thread size? If not, there is always trial by error. Once again thanks for the help!

No, but I know the bolt is a 12mm and it isn't a "super fine thread" just a standard thread. I'd do the "stick something in the hole and measure where it bottoms out" then go a little shorter (don't forget to add the width of the mounting flange to the measurement). At the cost of bolts at Ace you can buy a couple different sizes and take the ones that don't work back. I do that all the time with plumbing supplies. ;)

Title: Re: Exhaust bolts
Post by justin_o_guy2 on 04/23/14 at 18:09:22

& remember, only snug them when its cold & its a LOT better to need to re-snug than to rip the threads outta the head,,
Fingers on the 1/4" ratchet, thumb on the head, slightly close the fingers in,rinse & repeat, feel for it,,

Title: Re: Exhaust bolts
Post by WD on 04/23/14 at 23:04:30

Stock is M8x35. So if you get regular ones and lock washers, that should be close enough.

Title: Re: Exhaust bolts
Post by shorty on 04/24/14 at 04:25:26

careful;
aluminum head threads with steel bolt...do not overtighten :o

Title: Re: Exhaust bolts
Post by Kris01 on 04/24/14 at 19:59:02

2 words - Anti seize!

Title: Re: Exhaust bolts
Post by WD on 04/24/14 at 22:25:13

754C574D0E0F3E0 wrote:

2 words - Anti seize!

Better words... stainless steel stud and lockwasher with brass or bronze nut...

Title: Re: Exhaust bolts
Post by justin_o_guy2 on 04/25/14 at 00:56:29

Yea,, thats more than 2 words, but theyre good ones,,