Lowboy Backfiring

Discussion in 'Speed Triple' started by Andyjig76, Sep 26, 2017.

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  1. Andyjig76

    Andyjig76 Well-Known Member

    Jul 23, 2017
    31
    68
    Preston
    Just wondering if anyone has issues with the 3-1 arrow system backfiring? It seemed fine until I got the arrow map installed but now backfires massively on the overrun. A few pops and bangs I can live with but this seems excessive. Any ideas please?
     
  2. Moe

    Moe Senior Member

    Jun 10, 2015
    290
    113
    Colchester
    Hi pal,

    Do you have the baffle in?

    When mine was out it's far too loud and pops and bangs alot. Also noticed a bit of a flat spot, put the baffle in and runs better, no flat spot and no back firing. Although you do lose the pops but I'd prefer that. And fuel efficiency seems to be better.
     
  3. Andyjig76

    Andyjig76 Well-Known Member

    Jul 23, 2017
    31
    68
    Preston
    Hi, baffle still in and seeemed perkier before the remap.
     
  4. Chris Burt

    Chris Burt New Member

    Sep 20, 2017
    2
    3
    Missouri, USA
    Try running the 15 min tune or adaptive. They may have not done it properly when the Arrow tune was loaded. Happened to me twice
     
  5. Angus

    Angus Noble Member

    Mar 19, 2017
    936
    300
    South Africa
    Did you run the low boy prior to the remap ? I guess I am asking if you can compare before and after... mine pops a we bit but not much. Sounds like the map though...
     
  6. Andyjig76

    Andyjig76 Well-Known Member

    Jul 23, 2017
    31
    68
    Preston
    Sorry to be thick but how is that done?
     
  7. Andyjig76

    Andyjig76 Well-Known Member

    Jul 23, 2017
    31
    68
    Preston
    Yes I ran it with the system before remapping and it seemed much better with less popping.
     
  8. MrTriple

    MrTriple One Cylinder Short

    Jan 23, 2017
    924
    243
    Epping Forest
    I think it goes - warm up, then switch off and restart without touching the throttle. Let it run for ten minutes while the ECU fine tunes and adapts to the engine.
     
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  9. Chris Burt

    Chris Burt New Member

    Sep 20, 2017
    2
    3
    Missouri, USA
    On a cold engine, start without touching throttle or any controls. Let it run for 15 min or until fan kicks in. Don't touch the throttle or do anything till it completes. The dealers do this after loading new maps. While it's running the ECU resets to the loaded map.
    Twice lthe dealer did mine, once on a warm engine and second time when the forgot to reset wrench icon which messed up the adaptive.
     
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  10. Andyjig76

    Andyjig76 Well-Known Member

    Jul 23, 2017
    31
    68
    Preston
    Cher for that, I will try it and see if it helps.
     
  11. Chester Monty

    Chester Monty Well-Known Member

    Jun 25, 2016
    39
    68
    Chester
    The same thing is happening to me, I took it in for a service and they put the low boy map on without asking. I thought nothing of it at the time, it pops more on the over run and it seems to be more vibey.
    Third gear used to be my gear of choice but now I find myself changing up earlier because of how it sounds. They did a full reset and tune on my bike at the time so I doubt a 15 min tune will make any difference. I am getting used to it now but I think I prefered it without the tune.
     
  12. Andyjig76

    Andyjig76 Well-Known Member

    Jul 23, 2017
    31
    68
    Preston
    I must admit it did feel better before the remap. 15 minute tune didn't change anything so I might get the original map put back on and get it checked on a dyno to make sure I'm not doing any damage
     
  13. Chester Monty

    Chester Monty Well-Known Member

    Jun 25, 2016
    39
    68
    Chester
    Let me know how you get on..
     
  14. GaryM

    GaryM It's him, you know who. Him from you know ....

    Apr 28, 2016
    862
    500
    Patna , Ayrshire
    Killswitch is great for causing back fires. Particularly when you are in a tunnel:imp::imp:
     
  15. Tim L

    Tim L Active Member

    Jun 9, 2016
    98
    33
    Norn Iron
    My ZRX 1100 was good for that, but can you do it on a fuel injected bike?
     
  16. GaryM

    GaryM It's him, you know who. Him from you know ....

    Apr 28, 2016
    862
    500
    Patna , Ayrshire
    Not sure haven’t tried it yet, knew there was a good reason for carbs :)
     
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  17. Havit

    Havit Admin
    Staff Member Subscriber

    Jul 17, 2015
    9,568
    1,000
    Kent
    you did that as well huh :rolleyes:
     
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  18. Tim L

    Tim L Active Member

    Jun 9, 2016
    98
    33
    Norn Iron
    Rude not to
     
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  19. Havit

    Havit Admin
    Staff Member Subscriber

    Jul 17, 2015
    9,568
    1,000
    Kent
    The Dartford tunnel was my Royal Albert Hall:p
     
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  20. GaryM

    GaryM It's him, you know who. Him from you know ....

    Apr 28, 2016
    862
    500
    Patna , Ayrshire
    Mersy Tunnel and Clyde Tunnels are good too ;)
     
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