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  1. #1
    Johnson (OP)
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    Trouble starting bike: Issues with engine cut off/ignition?

    I've noticed recently my 05 FZ won't turn over when hitting the ignition switch (although the dashboard lights up). I usually just flip the engine cut off back and forth and then hit ignition and that usually does the trick but it seems to be getting worse.

    I know first thought is battery but I replaced mine 1.5 year ago so it should be good right? Anyways I plugged it into the a battery tender and it was at full charge within an hour. Ran into same issue this morning, hit ignition nothing happened, fidgeted it with engine cut off and that appears to get it to work. Hence is there a fuse/relay that could be due to either the engine cut off or ignition switch? How would I check that?

    On one instance after getting the bike started the bike did cut off after traveling a few feet but was able to get it started again (this was before recharging via battery tender) not sure if that helps diagnose the issue?

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    Super Member Ohendo's Avatar
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    Sounds like your kill switch is acting up, if you're able to flip it back and forth and then start the bike. It's a known issue, you should be able to search the forum and find plenty of information on it.
    Some members have taken the switch apart and completely bypassed it.


    Here's a recent thread:
    https://www.600riders.com/forum/fz6-...+switch+bypass
    Last edited by Ohendo; 10-01-2018 at 09:43 AM.
    2005 Silver FZ6 | Dual LED headlights | Yamaha LED blinkers | 12V power socket | Bikemaster Superbike bar w/risers | MotoDynamic Smoke tail light | FE | Michelin PR4's | Puig Racing screen - Dark Smoke | Spencer-ized stock seat | >47K Miles

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  4. #3
    Johnson (OP)
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    Thanks for pointing me to that thread! I guess in the interim I can just leave it on and hope that works. Perhaps a naive/dumb question but could this cause my bike to shut off while running at speed?

  5. #4
    Junior Member Gary in NJ's Avatar
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    Quote Originally Posted by Johnson View Post
    Perhaps a naive/dumb question but could this cause my bike to shut off while running at speed?
    100% yes. When there is an interruption in the circuit it's as if you switched it to the "Stop" position.
    Lifelong student of motorcycling. Current bikes: Custom Naked '05 FZ6, LS650 Caf Racer, DRZ400 Street Tracker

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    It's all good! Trouble starting bike: Issues with engine cut off/ignition? trepetti's Avatar
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    Quote Originally Posted by Gary in NJ View Post
    100% yes. When there is an interruption in the circuit it's as if you switched it to the "Stop" position.
    +1. this is not a problem you can ignore. I never had the problem, but i rebuilt and cleaned mine this summer to make sure it didnt happen. it is not too technical, but it requires patience and comfort with taking apart little things. Although mine was working fine, i was surprised to see how dirty it was. grab some contact cleaner, dielectric grease and go have at it.

    grab the instructions from this forum. they were great

    Sent from my SM-G930V using Tapatalk
    2005 FZ6 - R6 Forks, FZ1 bar, Killernoodle clutch lever, Puig windscreen, Woodcraft sliders, BD43 headlight mod, Watsen LED signals, 2-Wheels levers, SW Motec tank bag, Givi topcase, Galfer SS brake lines, LED pod lights, Hyperlites, Grip Puppies

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  9. #6
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    I gather you use the RED KILL switch often?

    If so, clean as posted above and DON'T use it (un-less in an emergency), use the IGNITION SWITCH..

    You can also follow the wires from the switch and TIE them together by-passing the switch..
    Last edited by TownsendsFJR1300; 10-01-2018 at 02:09 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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  11. #7
    Johnson (OP)
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    Quote Originally Posted by TownsendsFJR1300 View Post
    I gather you use the RED KILL switch often?

    If so, clean as posted above and DON'T use it (un-less in an emergency), use the IGNITION SWITCH..

    You can also follow the wires from the switch and TIE them together by-passing the switch..
    I do...I was always told (MSF I think), to turn off bike was to hit kill switch and then turn the key.

    I might try your tieing the wires together despite the instructions on the thread linked earlier - I have a fear of taking things apart since I normally fail to put them together properly...

  12. #8
    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    Un-fortunately the RED kill switch, over time (and especially if used often), can be an issue with all the symptoms you posted.

    Here's a link that should help you:

    https://www.600riders.com/forum/gara...sassembly.html

    If you can't repair the switch, you can either leave it hot wired or you have to purchase the entire right handle bar assembly.
    Unfortunately I believe it plugs in under the battery and takes some digging to get to..
    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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    Johnson (OP)
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    Scott,

    You've been a gem with all the (minor, fortunately) issues I've had with this bike ( which has treated me very well), at this point I think I owe you a six-pack. Let me know if you are ever in the NYC area.

    Fortunately, as a temp fix, leaving the kill switch on the position and not touching it has worked so far. I know a more permanent/thorough effort is needed but for now, it'll do. Although I am a bit paranoid something will happen while I am on the free way and I just lose all power...

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    2007 FZ6 TownsendsFJR1300's Avatar
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    Re: Trouble starting bike: Issues with engine cut off/ignition?

    Quote Originally Posted by Johnson View Post
    Scott,

    You've been a gem with all the (minor, fortunately) issues I've had with this bike ( which has treated me very well), at this point I think I owe you a six-pack. Let me know if you are ever in the NYC area.

    Fortunately, as a temp fix, leaving the kill switch on the position and not touching it has worked so far. I know a more permanent/thorough effort is needed but for now, it'll do. Although I am a bit paranoid something will happen while I am on the free way and I just lose all power...
    An easy "hot wire" would be to use two "Posi Taps" and tap into both kill switch wires and tie them together(gonna have to trace them). For now (or if it acts up) I would do that to the switch side, NOT the main bike harness.. Or clean up the switch if you dare...
    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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