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Pulling My Hair Out - 1997 GSXR1100W

  1. #1
    13/f/MA/on period. Garrett's Avatar
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    Pulling My Hair Out - 1997 GSXR1100W

    Does this bike sound like it's running on all 4?



    I cleaned the fuck out of the carbs, brand new OEM fuel petcock, fresh oil, 4 new spark plugs. It just seems off and I'm going nuts trying to figure it out.

    Thoughts?

    Thanks

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    Addict jbmass's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    feel the headers/exhaust manifold, see if all four pipes are hot.....

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    13/f/MA/on period. Garrett's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    The bike's rocking a rare full twin Kerker set up and the air feels equal. I need to acquire a temp gauge, I ain't grabbing no inefficient 1100W headers. These bikes make heat like an atom bomb.

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    Super Moderator TheIglu's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Use a cheap IR temp gun, works great for me.

    Or yank one plug wire at a time.

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    Old and Slow Sheppo's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    wet rag and listen for the hiss...that will atleast tell you if you're hitting on all 4

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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Or a spray bottle with water. Hit all 4 headers and see which one takes the longest to evaporate.

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    Super Moderator TheIglu's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Hire 4 prostitutes. Whichever one is still bangable after.... Well you get the idea.

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    Re: Pulling My Hair Out - 1997 GSXR1100W

    a squirt bottle will tell you for sure

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    its in my blood caloots's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    I hAd a 95 yzf 600r that was running on all 4 but sounded shitty.. when accelerating it would not bog down but had no sack. I found 1 of the 4 carbs didn't have the secondary diaphragm seated correctly so it wasn't working under vacuum. The way I figured it out was by pushing up the piston on each carb. 3 were identical, the bad one went up and down with no resistance at all..

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    Re: Pulling My Hair Out - 1997 GSXR1100W

    The diaphragms in top of those carbs always rip & the intake boots always crack as well. Check those things & make sure you have spark. Also make sure when you cleaned the carbs you took the fuel screws out & cleaned behind them as well.

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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Hire a few guys and lift...nevermind

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    Kosher Assassin Stoneman's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    I'm going with spark plug wires. Replace those & your problems will go away...

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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Definitely sounds way off, running on three cylinders? I had the same bike with a full Yoshimura system, mine ran like crap also......


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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Quote Originally Posted by Stoneman View Post
    I'm going with spark plug wires. Replace those & your problems will go away...
    Make sure you replace the spark plug boots too!

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    its in my blood caloots's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    are the plug wires easily accessible ? if so there is an easy way to kill the spark on each cylinder to see which one is skipping.. you take 5/8 fuel line.. cut about 4, 1 inch sections.. put those over the plugs and then put the plug wires back on.. what that does is still allow the plug wire to deliver spark. then ground your test light and stick the other end into the fuel line.. the spark, if any, will go thru your test light and that will kill the cylinder.. if you have a skipping cylinder, when you get to it with the test light, the engine sound wont change.... see what im saying ? I do it on cars all the time to find a skip but generally motorcycles are not easy to get to...

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  16. #16
    13/f/MA/on period. Garrett's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Pulled the carbs down again and found the pilot jet on #4 was corroding and blocking up. Also cleaned out behind the mixture screws and emulsion tubes with new o-rings. It fired up with out the choke.

    http://youtu.be/yY5c79uHZko

    Still doesn't sound right? Maybe ? I can't tell. I got a heat gun and cyl 4 was on point with cly 1. It blew the ignition fuse after about 10 minutes of idling.

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    Senior Member myzx6's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Does it have a jet kit???? My zx6 has a Vance and Hines pipe, when I 1st got it running it felt fairly strong but just sounded like shit, turns out it does have a jet kit but needles were off a clip and one cylinder had shims installed wrong. I properly tuned carb(s) completely changes the engine and exhaust sounds. Did you have your slides apart, somebody already added mufflers atleast so it should be jetted( if not that's probably your problem) if so make sure its set up right. I've learned never to trust a previous owner.

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    Re: Pulling My Hair Out - 1997 GSXR1100W

    It's my right to not give you any information on this topic.

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    Backwoods lobster boy number9's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Four-bangers will generally run on 3 cylinders but won't run on 2.

    Disconnect one spark plug at a time while the bike is running. If the bike is really running on 3 cylinders, then pulling one of the working 3 plugs will cause the bike to stall. Pulling the bad plug won't do anything.

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  20. #20
    13/f/MA/on period. Garrett's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Quote Originally Posted by Chippertheripper View Post
    It's my right to not give you any information on this topic.

    Lollers.

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  21. #21
    Senior Member myzx6's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Where do you find all these project bikes, lol I want a new project bike, but I think you've bought them all

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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Quote Originally Posted by number9 View Post
    Four-bangers will generally run on 3 cylinders but won't run on 2.

    Disconnect one spark plug at a time while the bike is running. If the bike is really running on 3 cylinders, then pulling one of the working 3 plugs will cause the bike to stall. Pulling the bad plug won't do anything.
    This should be a sticky st the top of the maintenance page. I have had to explain this to far too many "bike mechanics"

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  23. #23
    Backwoods lobster boy number9's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Quote Originally Posted by Degsy View Post
    This should be a sticky st the top of the maintenance page. I have had to explain this to far too many "bike mechanics"
    Haha, thanks mate. I learned this from owning Ducatis with shitty ignition modules. V-twins will actually run on one cylinder..

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  24. #24
    13/f/MA/on period. Garrett's Avatar
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Quote Originally Posted by myzx6 View Post
    Where do you find all these project bikes, lol I want a new project bike, but I think you've bought them all
    CL man. Gotta be quick with the cash babies.


    So I bought an IR temp gun. Cyl 1 and 4 are now at 600F after a couple minutes. 2&3 are down around 300F. They share the same coil. Hm

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  25. #25
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    Re: Pulling My Hair Out - 1997 GSXR1100W

    Quote Originally Posted by Garrett View Post
    CL man. Gotta be quick with the cash babies.


    So I bought an IR temp gun. Cyl 1 and 4 are now at 600F after a couple minutes. 2&3 are down around 300F. They share the same coil. Hm
    Swap the coils with each other. If the problem goes where the coil goes, it's the coil. If it doesn't, the issue is somewhere else. I'd probably try swapping (or just replacing) spark plug leads too.

    Don't disconnect the coils with the engine running! This ruins some coils.

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    Last edited by number9; 07-28-14 at 09:05 PM.

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