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Thread: 2010 R6 ignition/fuel issue?

  1. #1
    Senior Member Ezzzzy1's Avatar
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    2010 R6 ignition/fuel issue?

    Im having issues with the R6 all the sudden and im wondering if anyone on here has seen this problem before.

    Bike was a champ on Saturday but when I went to ride out for the CSC ride on Sunday things got weird. Basically if felt like the bike was going to stall every time that I started from a stop, then it felt like it was misfiring until about 6500 RPMs and then it would run perfectly.

    It has done this consistently since. My guess would be spark plug is fowling for some reason.

    Bike has 12k miles on it.

    Anyone experienced this before? Know what it is?

    Thanks all!
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  2. #2
    Gold Member Bueller's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Possibly water in the fuel. Did you just fill it before its started?


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    Senior Member WolFeYeZ's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Quote Originally Posted by Bueller View Post
    Possibly water in the fuel. Did you just fill it before its started?
    +1 to this. Did you fill up somewhere random on the ride?

    Also, it could be good to figure out if its just one cylinder that is having a problem. IR temp reading from the headers right after you turn it on should show if one cylinder is not firing due to plugs, coils, injector, etc. Might narrow down the issue if its not just bad gas.
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  4. #4
    Gold Member Kim-n-Dean's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    First off, what kind of bike and what year is it? Did you check your headlight fluid? Or maybe you need to rotate the air in your tires.

    Sorry, I was trying to give a "CSC" answer.

    Kim's R6 did the exact same thing. It was the coils, which were recalled by Yamaha. Not sure how many years deep the bad coils go, but sounds exactly like what Kim was experiencing. Pull the coils and look for arcing marks on the coils and head.
    Kim & Dean
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  5. #5
    Senior Member WolFeYeZ's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Quote Originally Posted by Kim-n-Dean View Post
    First off, what kind of bike and what year is it? Did you check your headlight fluid? Or maybe you need to rotate the air in your tires.

    Sorry, I was trying to give a "CSC" answer.

    Kim's R6 did the exact same thing. It was the coils, which were recalled by Yamaha. Not sure how many years deep the bad coils go, but sounds exactly like what Kim was experiencing. Pull the coils and look for arcing marks on the coils and head.
    Coils are the problem mostly for 2nd gen 03-05 r6. Had the same on my 05. Im 99% sure they fixed this for 06+
    MRA Expert #880 - 2015 AmateurGTO Champion, 2013 NoviceGTU Champion
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  6. #6
    Gold Member Kim-n-Dean's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Quote Originally Posted by WolFeYeZ View Post
    Coils are the problem mostly for 2nd gen 03-05 r6. Had the same on my 05. Im 99% sure they fixed this for 06+
    It's gotta be the headlight fluid, then!
    Kim & Dean
    60th Anniversary R6 - '16 R1M


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  7. #7
    Senior Member Ezzzzy1's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    I checked the blinker fluid but didnt even think about taking a look at the headlight fluid while I was in there.... Dammit!

    I suppose it could be bad gas, I did fill up Saturday afternoon. How does the logic work on that? I can wrap my mind around the sputtering due to water but why then does it go away at 6500?

    I like the heat check on the header, I will give that a shot.

    When I googled this, there are a few people with the same exact issue but no one really has a definite answer to the problem.
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  8. #8
    Gold Member Bueller's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    At higher rpm misses become less noticeable, the momentum carries it through.
    I had this happen on a new bike. Filled up after work, by the time I go home it was running as you described.
    Drained gas, put new in, fixed. Never have bought gas at that station since.


  9. #9
    Senior Member FZRguy's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    I've fueled up with bad gas too, with similar symptoms.
    John
    KTM Duke 690

  10. #10
    Senior Member Nolan's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    If it gets narrowed to bad fuel.... Where did you get it from?

  11. #11
    Senior Member Ezzzzy1's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Filled the bike up today and crossed my fingers that it was the fuel. It doesnt look like thats the case as the problem is still happening.

    I think I am going to replace the plugs and test the coils, im guessing thats whats going on.

    I HATE CHANGING PLUGS!!!
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  12. #12
    Gold Member madvlad's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Plugs are due around 8k miles so if you haven't done that yet that could be the culprit.... told you to stop filing up with NOS from the gas station son
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  13. #13
    Senior Member mdub's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Diamond Shamrock's are notorious for below par fuel...

  14. #14
    Senior Member Ezzzzy1's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    I am pretty picky about my fuel and where I get it. I was hoping it was the gas because I did fill up at a different place on Saturday.

    Its probably the plugs. I ordered everything and will knock it out on Saturday. If the bike was running well I would join you on your ride Damir but it wont be dont till mid day on Saturday
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  15. #15
    Senior Member WolFeYeZ's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Water is heavier than gas, so filling up again might not necessarily take care of it...
    MRA Expert #880 - 2015 AmateurGTO Champion, 2013 NoviceGTU Champion
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  16. #16
    Senior Member Ezzzzy1's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Quote Originally Posted by WolFeYeZ View Post
    Water is heavier than gas, so filling up again might not necessarily take care of it...
    Im going to end up draining it all anyway at this point. Plugs are overdue and I have blockoff plates that need to go on. I will probably sink the throttle bodies and test the coils while im in there.
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  17. #17
    Senior Member Ezzzzy1's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Replaced the plugs, check the coils and installed blockoff plates.

    Bike is back to running like a champ! Thanks killing some time with me Damir
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  18. #18
    Gold Member madvlad's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    All good bro, glad I could help and she's as good as new let the rides begin!
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  19. #19
    Senior Member Ezzzzy1's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Lets try this again

    It seems that the problem did not resolve itself....

    Originally when we took temperatures on the header there was a 50 degree difference on 1 and 4 (left to right). What else would cause this? The new plugs helped but not that ive put 100 miles on the bike its definitely back to running like crap.
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  20. #20
    Gold Member madvlad's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Seriously? That's weird, can't be coils cause they tested good so my next guess will be injectors
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  21. #21
    Senior Member Ezzzzy1's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Im being told that it could be a back pressure/fuel tuning issue?

    I might be a little outside of the normal specs with full (catless) exhaust but im surprised that the R6 wouldnt be loving every second of that. One of the options given to me to possibly solve the back pressure issue is to put an insert in the muffler. Has anyone else taken this approach? I seriously cant imagine doing this and liking it
    Last edited by Ezzzzy1; Thu Jul 16th, 2015 at 01:06 PM.
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  22. #22
    Gold Member madvlad's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Maybe try doing a dyno tune see if that helps to adjust... I just don't see how that's a problem now given that if it was a back pressure issue it would've done it from the moment the exhaust was installed
    www.mo-door.com
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  23. #23
    Gold Member Kim-n-Dean's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Quote Originally Posted by Ezzzzy1 View Post
    Im being told that it could be a back pressure/fuel tuning issue?

    I might be a little outside of the normal specs with full (catless) exhaust but im surprised that the R6 wouldnt be loving every second of that. One of the options given to me to possibly solve the back pressure issue is to put an insert in the muffler. Has anyone else taken this approach? I seriously cant imagine doing this and liking it
    Kim's bike doesn't have a cat anymore, either. No issues at all, except for the recall on the coils. Way different year, though. Are you sure the coils aren't arcing? Her coils tested fine, but it's the case that cracks and when they're installed, they arc.
    Kim & Dean
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  24. #24
    Senior Member Ezzzzy1's Avatar
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    Re: 2010 R6 ignition/fuel issue?

    Damir and I pulled the coils and I physically checked them all. They looked good to go. I didnt think of it like that Dean.

    Im just wondering if a Power Commander or ECU flash will fix the problem. Im sure someone would have spoken up by now but has anyone had this problem with their R6R and fixed it with tuning?

    Nuts told me from the get-go that I needed a tune to fix this. Im guessing you are right
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