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Thread: gsxr750 87

  1. #1
    Join Date
    15th August 2007 - 14:30
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    09 GT650s
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    gsxr750 87

    anyone know what sort of tuning is needed if i install pod filters instead of old airbox or what type of pods ??,working on the bike with the old airbox is a pain in the a**,and its very hard to get out and in ,or any ideas or things you have done to your old gixer
    also finding it hard to find plug removal tool ???
    help please

  2. #2
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    13th August 2004 - 20:45
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    Gixxer
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    Doing that would lean it out HEAPS!
    Would look cool, but for a road bike I wouldnt recomend doing it.
    Motorcycing is not a hobby, It is a way of life!

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  3. #3
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    2nd April 2007 - 20:22
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    re plug tool

    What I use as a plug removal tool on the GSXR's is a piece of 1/2" rubber hose, about 6" long, with a short bolt pushed in one end of it. Loosen your plugs with a 19mm long reach socket, then remove the socket-push the rubber hose over the plug. Then you can use the rubber hose to finish removing the plug, easy as.

  4. #4
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    19th January 2006 - 19:13
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    Quote Originally Posted by mogiman View Post
    anyone know what sort of tuning is needed if i install pod filters instead of old airbox or what type of pods ??,working on the bike with the old airbox is a pain in the a**,and its very hard to get out and in ,or any ideas or things you have done to your old gixer
    also finding it hard to find plug removal tool ???
    help please
    Got a mate that had an older GSX1100 with pods on...pain in the arse it was to......tried everything to get it running right but in the end he just bought oem stuff with original jets.
    Be the person your dog thinks you are...

  5. #5
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    26th April 2007 - 16:57
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    2002 KTM 640 SM
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    Tauranga
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    Pods

    Hi,

    Your bike has flatslides factory fitted doesn't it?
    Not so bad to run pods with them - it's the CV carbs that people
    have all the dramas with pods cause they need a flow of clean air
    from a decent airbox.
    I'd expect you will need larger mains and be fiddling with your needle jet.
    Also due to age your fuel valves may be leaking as they do, does it drip fuel at all?

    Cheers

  6. #6
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    15th August 2007 - 14:30
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    CHeers ,It does

    drip fuel ,the other idea i had was to re-shape the airbox does it have to be that size? prob be easier to find an old airbox to cut down and reshape

  7. #7
    Join Date
    1st May 2006 - 11:41
    Bike
    1987 GSXR750
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    Christchurch
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    404
    I've got an 87 gsxr750 with uni filters and 38mm dynojetted CV's on it (my big profile pic). Runs pretty shite, carbs are probably gunked up but it also bogs down if you get too aggressive with the throttle.

    The emulsion tubes on it are quite probably ovaled out too which would explain why it stutters when i accelerate until 3k/rpm. Oh yeah hangs up when warm at 3k/rpm idle until i drop it manually.

    Thats when it's not running on 3 cylinders ... :P yeah the fueling is a bit of a mess. Cyl.1 is black as plugs 2,3,4 are white and pretty lean looking...


    So all in all, yeah not the best. I got the bike with it like that or i'd be using the standard carbs, needles, jets and airbox I reckon. I'm getting it tuned anyhow in a week or so i'll see how that goes. Frigin expensive i'm thinking.

  8. #8
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    17th February 2005 - 11:36
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    Quote Originally Posted by mogiman View Post
    drip fuel ,the other idea i had was to re-shape the airbox does it have to be that size? prob be easier to find an old airbox to cut down and reshape
    You could carve an airbox out of foam, glass over it, then pour thinners inside it to dissolve the foam... voila, airbox!

  9. #9
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    15th August 2007 - 14:30
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    Is cyl 1

    Quote Originally Posted by FruitLooPs View Post
    I've got an 87 gsxr750 with uni filters and 38mm dynojetted CV's on it (my big profile pic). Runs pretty shite, carbs are probably gunked up but it also bogs down if you get too aggressive with the throttle.

    The emulsion tubes on it are quite probably ovaled out too which would explain why it stutters when i accelerate until 3k/rpm. Oh yeah hangs up when warm at 3k/rpm idle until i drop it manually.

    Thats when it's not running on 3 cylinders ... :P yeah the fueling is a bit of a mess. Cyl.1 is black as plugs 2,3,4 are white and pretty lean looking...


    So all in all, yeah not the best. I got the bike with it like that or i'd be using the standard carbs, needles, jets and airbox I reckon. I'm getting it tuned anyhow in a week or so i'll see how that goes. Frigin expensive i'm thinking.
    on the sidestand side, seem because its an oilier thats always the gunked up non firing cyl i really should just rip the whole thing apart and start from scratch anyone wana help me lol

  10. #10
    Join Date
    1st May 2006 - 11:41
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    1987 GSXR750
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    Quote Originally Posted by mogiman View Post
    on the sidestand side, seem because its an oilier thats always the gunked up non firing cyl i really should just rip the whole thing apart and start from scratch anyone wana help me lol
    haha yes, cyl.1 sidestand side. i've torn down my carbs. If you have Mikuni BST series carbs then you can see how to strip them completely and rebuild/set floats here: http://www.gixxer.com/forums/showthr...=148053&page=2

  11. #11
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    3rd November 2005 - 15:20
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    Quote Originally Posted by mogiman View Post
    working on the bike with the old airbox is a pain in the a*
    help please
    Patience and more patience when fitting your air box and a bit of vaseline. Generally those that go to pods because they are easier to fit than the stock airbox will bite off more trouble than the pods are worth.
    If you love it, let it go. If it comes back to you, you've just high-sided!
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  12. #12
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    15th August 2007 - 14:30
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    i did

    Quote Originally Posted by terbang View Post
    Patience and more patience when fitting your air box and a bit of vaseline. Generally those that go to pods because they are easier to fit than the stock airbox will bite off more trouble than the pods are worth.
    persist with the air box nothing some hotish water didnt fix softened them up enough to be squeezed back in ,finally got my spark plug remover cleaned the plugs up and its going heaps better now ive got all my power back im finding my clutch is slipping and my lights only work on high beam lol got a relay on the way but wont be able to afford new clutch plates and springs for a while the joys of an older bike

  13. #13
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    15th August 2007 - 14:30
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    no mine are

    Quote Originally Posted by FruitLooPs View Post
    haha yes, cyl.1 sidestand side. i've torn down my carbs. If you have Mikuni BST series carbs then you can see how to strip them completely and rebuild/set floats here: http://www.gixxer.com/forums/showthr...=148053&page=2
    keihin flatslides and i do think that one or more of the floats are out ive searched for pics and diagrams but no joy yet

  14. #14
    Join Date
    15th August 2007 - 14:30
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    haha lol

    5 mins later i find this site
    http://www.cmsnl.com/suzuki-motorcycle-atv_model13053
    also honda yammy kawas has diagrams and part #s for everything

  15. #15
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    1st March 2006 - 18:44
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    dont do it ! youll be forever tuning it

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