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  1. #11
    zixaq (OP)
    Super Member Hiccup in power delivery accelerating in 2nd. very troubling. zixaq's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    So I just payed for a month of unlimited access to a garage and tools so i can fix the bike up and store it. While I have that, should I just go ahead and tear into the engine to look at the transmission?

    I'm a little spooked at the prospect, because it's well beyond my mechanical experience, but I want this problem gone.

  2. #12
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    There's very likely NOTHING wrong with your transmission.

    Several most likely issues have been mentioned. Have you addressed any of them?

    Seems your going to "tear into it" anyway.

    Please post back what you find or don't find...
    Scott
    2007 Yamaha FZ6- BD43 headlight mod, PIAA bulbs, Stebal air horn, Scorpion SS pipes-(no DB killers), Speedohealer, HEL SS brake lines, Fenda Extenda, K&P SS re-usable oil filter, custom mounted BMW style electrical outlet(L.S.), Techmount GPS mount with handlebar bar risers/set backs, additional helmet lock, custom mod'ed seat(Spencers), Hyper light-rear running/brake light, custom radiator/fan protector, Techspec tank pads, Grip Puppies, Yamaha rear rack with custom aluminum flat rack.

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  4. #13
    zixaq (OP)
    Super Member Hiccup in power delivery accelerating in 2nd. very troubling. zixaq's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    Quote Originally Posted by TownsendsFJR1300 View Post
    There's very likely NOTHING wrong with your transmission.

    Several most likely issues have been mentioned. Have you addressed any of them?

    Seems your going to "tear into it" anyway.

    Please post back what you find or don't find...
    I certainly hope you're right. Exactly one issue has been mentioned and I haven't had a chance to troubleshoot it yet (kill switch), and is going to be really hard for me to troubleshoot any time soon safely. I'll be able to work on the bike a few weeks before I can get out and ride it hard enough to reproduce the problem.

    I also find the kill switch explanation incredibly implausible.

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  6. #14
    It's all good! Hiccup in power delivery accelerating in 2nd. very troubling. trepetti's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    Quote Originally Posted by zixaq View Post
    I certainly hope you're right. Exactly one issue has been mentioned and I haven't had a chance to troubleshoot it yet (kill switch), and is going to be really hard for me to troubleshoot any time soon safely. I'll be able to work on the bike a few weeks before I can get out and ride it hard enough to reproduce the problem.

    I also find the kill switch explanation incredibly implausible.
    As implausible as the kill switch may seem, it is nearly impossible for the transmission to be causing the issue. Start with the some stuff.

    Sent from my SM-G930V using Tapatalk
    2005 FZ6 - FZ1 bar, Killernoodle clutch lever, Puig windscreen, Woodcraft sliders, BD43 headlight mod, Watsen LED signals, 2-Wheels levers, Givi tank bag and topcase, Galfer SS brake lines, LED pod lights, Motodynamic tail light, Grip Puppies

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  8. #15
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    Quote Originally Posted by trepetti View Post
    As implausible as the kill switch may seem, it is nearly impossible for the transmission to be causing the issue. Start with the some stuff.
    +100 x's ^^^.

    It's very well DOCUMENTED with similar "Skipping or momentarily misfire"..

    IME, start with basic's first.

    BTW, short of you exploding your clutch (doing burn outs) and getting clutch "pieces" thru out the engine and transmission, that gear box is about as solid as a rock...

    Been on this forum for 9 years, (and owned the bike for the same- besides wrenching for 46 YEARS) and do a lot of reading/learning here. Never heard of the issue on other bikes, the FZ, like any other bike, has it's issues.

    Fortunately, the issues are pretty minor in 99% of the cases.
    Last edited by TownsendsFJR1300; 02-02-2018 at 02:04 PM.
    Scott
    2007 Yamaha FZ6- BD43 headlight mod, PIAA bulbs, Stebal air horn, Scorpion SS pipes-(no DB killers), Speedohealer, HEL SS brake lines, Fenda Extenda, K&P SS re-usable oil filter, custom mounted BMW style electrical outlet(L.S.), Techmount GPS mount with handlebar bar risers/set backs, additional helmet lock, custom mod'ed seat(Spencers), Hyper light-rear running/brake light, custom radiator/fan protector, Techspec tank pads, Grip Puppies, Yamaha rear rack with custom aluminum flat rack.

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  10. #16
    zixaq (OP)
    Super Member Hiccup in power delivery accelerating in 2nd. very troubling. zixaq's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    Quote Originally Posted by TownsendsFJR1300 View Post
    +100 x's ^^^.

    It's very well DOCUMENTED with similar "Skipping or momentarily misfire"..

    IME, start with basic's first.

    BTW, short of you exploding your clutch (doing burn outs) and getting clutch "pieces" thru out the engine and transmission, that gear box is about as solid as a rock...

    Been on this forum for 9 years, (and owned the bike for the same- besides wrenching for 46 YEARS) and do a lot of reading/learning here. Never heard of the issue on other bikes, the FZ, like any other bike, has it's issues.

    Fortunately, the issues are pretty minor in 99% of the cases.
    I'm going to check it, but I don't expect that to be the problem, since the engine doesn't misfire or stop. The symptoms don't really fit.

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  12. #17
    Vrrroooooom! Hiccup in power delivery accelerating in 2nd. very troubling. Motogiro's Avatar
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    Lightbulb Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    Quote Originally Posted by zixaq View Post
    I'm going to check it, but I don't expect that to be the problem, since the engine doesn't misfire or stop. The symptoms don't really fit.
    Maybe this will help regarding why we like to check the kill switch when there is a power issue. The coils both get power from the kill switch as well as other feeds that it takes care of.

    There are specific resonant frequencies depending on frequency length or distance a device is from the source vibration as well as mechanical stability of objects the energy travels through. In fact, there are too many factors to consider related to a mechanical switch failure due to vibration. I can tell you they do exist and they are worth eliminating to prove the kill switch is, or is not, at fault. This means that the switch might be opening and closing hundred or thousands of times per second. This would mean that power to the coils would be interrupted hundred to thousand of time per second this would certainly interfere with dwell so that the coils would build and collapse the magnetic fields differently, degrading the spark from the secondary high tension side of the coil.

    So running a jumper on the kill switch would eliminate it as the source of intermittent reduction in power delivery to the bike. You don't have to learn any theory just try the suggestion. From years of experience, collective knowledge of others and a very large and effective forum full of information, you could come up with the solution to your problem.


    Here's one....Years ago, a member in IIRC, the UK, had a problem with his engine stuttering. It only happened when he accelerated in gear. It would not occur at idle or in neutral. He could rev it and there was no glitch at all. The idle was smooth as long as the bike sat in one spot. Put the bike up on the center stand and put it in neutral. If the back wheel rotated the engine stumbled. Stopped the back wheel from turning and the engine would run fine. What was it?
    Tune in next time for the answer! LOL!
    If you can't fix it by hitting it with a hammer, it's electrical!

    Clif
    SoCal Hoon

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  14. #18
    zixaq (OP)
    Super Member Hiccup in power delivery accelerating in 2nd. very troubling. zixaq's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    Quote Originally Posted by Motogiro View Post
    Maybe this will help regarding why we like to check the kill switch when there is a power issue. The coils both get power from the kill switch as well as other feeds that it takes care of.

    There are specific resonant frequencies depending on frequency length or distance a device is from the source vibration as well as mechanical stability of objects the energy travels through. In fact, there are too many factors to consider related to a mechanical switch failure due to vibration. I can tell you they do exist and they are worth eliminating to prove the kill switch is, or is not, at fault. This means that the switch might be opening and closing hundred or thousands of times per second. This would mean that power to the coils would be interrupted hundred to thousand of time per second this would certainly interfere with dwell so that the coils would build and collapse the magnetic fields differently, degrading the spark from the secondary high tension side of the coil.

    So running a jumper on the kill switch would eliminate it as the source of intermittent reduction in power delivery to the bike. You don't have to learn any theory just try the suggestion. From years of experience, collective knowledge of others and a very large and effective forum full of information, you could come up with the solution to your problem.


    Here's one....Years ago, a member in IIRC, the UK, had a problem with his engine stuttering. It only happened when he accelerated in gear. It would not occur at idle or in neutral. He could rev it and there was no glitch at all. The idle was smooth as long as the bike sat in one spot. Put the bike up on the center stand and put it in neutral. If the back wheel rotated the engine stumbled. Stopped the back wheel from turning and the engine would run fine. What was it?
    Tune in next time for the answer! LOL!
    I understand the absurdly simple theory, but since the engine keeps running, which requires continuous electrical current through that switch, it still doesn't seem to match the symptom.

    As mentioned several times, it's easy to check and I will do so, as soon as I'm healed up enough to ride, but I'm still looking for other ideas when it turns out to be not the problem.

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  16. #19
    Vrrroooooom! Hiccup in power delivery accelerating in 2nd. very troubling. Motogiro's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    Quote Originally Posted by zixaq View Post
    I understand the absurdly simple theory, but since the engine keeps running, which requires continuous electrical current through that switch, it still doesn't seem to match the symptom.

    As mentioned several times, it's easy to check and I will do so, as soon as I'm healed up enough to ride, but I'm still looking for other ideas when it turns out to be not the problem.
    It seems like it's not that simple a theory.
    The theory is that there is continuous direct current through the switch but the duty cycle is reduced at specific frequency's. The only time there would be a complete failure would be when current has been reduced below a threshold to keep an error from occuring or the switch becomes open long enough for a engine failure.
    Think of it as if the switch passes current on and off 7, 000 time per second or 2,000 times per second. The off time and on time during the anomaly may not be even cycles but the coils will change their performance and you may experience degrade engine output during the anomaly. The switch would not be open long enough to stop the engine but it would be providing DC pulses at varied rates.


    Sent from Moto's Motorola
    Last edited by Motogiro; 02-05-2018 at 06:50 AM.
    If you can't fix it by hitting it with a hammer, it's electrical!

    Clif
    SoCal Hoon

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  18. #20
    Junior Member Gary in NJ's Avatar
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    Re: Hiccup in power delivery accelerating in 2nd. very troubling.

    [said in your best Yoda voice]

    Stubborn is he.
    Lifelong student of motorcycling. Current bikes: Custom Naked '05 FZ6, LS650 Café Racer, DRZ400 Street Tracker

 

 
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