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Thread: Header Gaskets

  1. #11
    Join Date
    May 2011
    Location
    NORTHUMBERLAND UK
    Posts
    1,252

    Re: Header Gaskets

    Its the usual case with an exhaust, get all clamps at the headers in position but leave loose to align the whole thing as much as you can, then begin tightening at the front slowly and evenly, hoping that pushes the whole thing towards the back of the bike, to be able to align the sump bolt mount.
    Thats it in THEORY, but its a bit more tricky than that with the STANDARD exhaust.
    I found even with the header clamps quite tight, the sump bolt mount was still about 20mm out of line.
    I did replace the rubber bush on the sump mount as the original had perished, so that left a bit less play on the mount as the new rubber is quite hard.
    Much pulling, pushing and wriggling (ohhh er missus) later, and we managed to do it but it was bloody tight !
    Good luck !

    Pete
    Last edited by RETROBOY; 20th November 2017 at 10:55 AM.
    THE OLDER I GET THE BETTER I WAS...................

  2. #12
    Join Date
    May 2014
    Location
    Yorkshire, England
    Posts
    580

    Re: Header Gaskets

    Quote Originally Posted by RETROBOY View Post
    Its the usual case with an exhaust, get all clamps at the headers in position but leave loose to align the whole thing as much as you can, then begin tightening at the front slowly and evenly, hoping that pushes the whole thing towards the back of the bike, to be able to align the sump bolt mount.
    Thats it in THEORY, but its a bit more tricky than that with the STANDARD exhaust.
    I found even with the header clamps quite tight, the sump boly mount was still abovut 20mm out of line.
    I did replace the rubber bush on the sump mount as the original had perished, so that left a bit less play on the mount as the new rubber is quite hard.
    Much pulling, pushing and wriggling (ohhh er missus) later, and we managed to so it but it was bloody tight !
    Good luck !

    Pete
    Cheers Pete, I figured as much.. I'll get on to it at the weekend..

    windy

  3. #13
    Join Date
    Jul 2008
    Location
    the Netherlands
    Posts
    5,293

    Re: Header Gaskets

    my advice: get something big & sturdy to wedge in next to the rear mounting lug and leverage that basterd further back, easier with two people or maybe use a ratchet strap or something. I needed all of my swear words for that job. (one more reason to go for Ti porn pipes)
    ships get called 'she'
    I bet torpedoes don't

  4. #14
    Join Date
    May 2014
    Location
    Yorkshire, England
    Posts
    580

    Re: Header Gaskets

    Quote Originally Posted by gunther View Post
    my advice: get something big & sturdy to wedge in next to the rear mounting lug and leverage that basterd further back, easier with two people or maybe use a ratchet strap or something. I needed all of my swear words for that job. (one more reason to go for Ti porn pipes)
    I'll start brushing up on my swear words then.. I usually work on the premise that if it came off it must go back on..

  5. #15
    Join Date
    Dec 2014
    Location
    In the sky above you
    Posts
    1,129

    Re: Header Gaskets

    Better still, use the excuse while it is off to drop a full Akrapovic system on, they are a doddle to refit

  6. #16
    Join Date
    May 2014
    Location
    Yorkshire, England
    Posts
    580

    Re: Header Gaskets

    Quote Originally Posted by HootOwl View Post
    Better still, use the excuse while it is off to drop a full Akrapovic system on, they are a doddle to refit
    That would be nice but just bought second house, man that stamp duty stings.. 4480 for the pleasure of saving up and being in a position to have a decent future for my kids.. robbing bastards.. Rant over, suffice to say there wasn't enough change for an Akra...

  7. #17
    Join Date
    May 2011
    Location
    NORTHUMBERLAND UK
    Posts
    1,252

    Re: Header Gaskets

    Quote Originally Posted by af1_windy View Post
    That would be nice but just bought second house, man that stamp duty stings.. 4480 for the pleasure of saving up and being in a position to have a decent future for my kids.. robbing bastards.. Rant over, suffice to say there wasn't enough change for an Akra...
    If "someone" managed to come up with a straight through (no cat) set of stainless headers and link pipe for the ZRX1100 / 1200 at a decent realistic price, they would sell very well.
    The cheapest I have found is the Black Widow at 375.00.............which is still a fair amount of cash.
    At the end of the day, if the bore is the same as others like Akra and Black Widow, the performance would be very similar if not the same ?
    THE OLDER I GET THE BETTER I WAS...................

  8. #18
    Join Date
    Jun 2010
    Location
    Nr Nantwich, South Cheshire
    Posts
    109

    Re: Header Gaskets

    After running the engine for a few minutes you'll find that you can re-torque the header nuts up again. This will also allow the header gaskets to crush down a little more, which in turn moves the exhaust system backwards so you should then be able to fit the metal bush in the lower mounting.
    Personally, I fit the exhaust without the lower bush (just the bolt), then after running and re-torqueing the headers down you can fit the lower bush.
    Will.
    ZRX1100, H2C 750, GSXR750F, VF500F2F, VF1000RG

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