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Flat Tire= Blue Pipes?

Discussion in 'V7/V85/V9 Chat & Tech' started by Redcad, Jul 1, 2019.

  1. Redcad

    Redcad Just got it firing!

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    First off, cheers to Moto Guzzi for it's excellent,traction control system; it alerted me to a flat tire. (It was on the least invasive mode)
    Rolling along at over 70 MPH it started cutting out as if I had bad fuel (and I just filled up) Traction control blinking. Pulled over and realized the engine ran fine. Rolled very slowly to find a wide a spot on the shoulder and realized I had a rear flat that was losing air fast.

    While waiting for the tow, I noticed my head pipes had turned blue and a smudge mark on one muffler attachment point. My guess is the fuel management was shutting down flow and it ran lean.
    Ever happen to you? It is a just bought 2017 Roamer V9 with 1400 miles.
    [​IMG]
     
  2. tonUPRacer

    tonUPRacer Cruisin' Guzzisti GT Contributor

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    Nope, the pipes would've turned that color regardless. At least they did on my 2013 Racer and I believe most others would concur. Polishing them is a waste of time. Just enjoy the colors of a broken in machine or get them jet coated. Glad to hear your flat didn't result in an accident.
     
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  3. GTM®

    GTM® Administrator Staff Member GT di Razza Pura

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    Congrats and welcome to the GT Forum & Guzzi Famiglia. Hope you'll add your info to the Registry here on this site; https://www.guzzitech.com/forums/threads/v9-registry-picture-thread-add-your-bike.16400/

    Traction Control (TC) is timing related, not fuel, but that is alarming on the exhaust. So you are saying obviously that they didn't look like that prior to the flat then? The V7 III/V9 pipes are double wall, so they can be polished out. Plenty of products out there.

    If you want the bike to run as well as it can; https://gtmotocycles.com/products/gt-motocycles-v7-v9-ecu-re-flash-tool
     
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  4. Redcad

    Redcad Just got it firing!

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    I have had single wall Triumphs and I embrace the "blues" but this happened while I watched! Going to register right now; at first I was afraid to put my VIN down.
    Thanks you!
     
  5. GuzziMoto

    GuzziMoto GT Reference GT Contributor

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    It does not surprise me that the pipes blued like that. Between them being single wall and the flat tire causing the traction control to mess with the timing things like that can happen I reckon.
    Luckily, as Todd mentioned, the blue is something you can polish out if it bothers you. I actually like the color effect.
     
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  6. GTM®

    GTM® Administrator Staff Member GT di Razza Pura

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    Welcome, and the pipes are double walled, so unless they are under extreme heat, they shouldn't blue. Fix the fueling with the GTM Flash, and far less of a chance. VIN# posting is no different then someone grabbing off the bike when parked. No one get any usable info from it.
     
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  7. My name is Jeff

    My name is Jeff Cruisin' Guzzisti

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    Mate that is crazy how hot that must be running.
    My bike is a v7II with around 16,500ks on it and my pipes only have a little bit of blueing.
    Like Todd said get the bike remapped and I would do it sooner
    Than later. I had my bike remapped before I even put 200ks on it.
     
  8. Redcad

    Redcad Just got it firing!

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    Exactly what I thought! Bike runs fine for me; but after pulling over and literally watching the pipes turn blue freaked me out. I must have fought it too long thinking it was bad fuel. I love the gold/blue look but I am still going to attempt to remove it for now
     
  9. Redcad

    Redcad Just got it firing!

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    1400 miles on it with no blue. Traction control cut in for flat tire caused instant blue!
     
  10. Redcad

    Redcad Just got it firing!

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    So stable I did not know I had a flat! Moto Guzzi is smarter than me!
     
  11. My name is Jeff

    My name is Jeff Cruisin' Guzzisti

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    I always turn the TC off. To me if someone needs TC on 50HP motorcycle we have a problem Houston. ;)
     
  12. Dinsdale Piranha

    Dinsdale Piranha Cruisin' Guzzisti GT Contributor

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    "California Custom Purple Metal Polish" will do the job - with plenty of elbow grease. As others have said, the oem double walled headers shouldn't have blued at all (or at least very little). I only did about 2,000Km with mine and they show no discolouration at all. I then installed single walled SS headers from Todd.

    Not-withstanding any of that, the fueling needs to be set correctly. ALL V7iii models arrive ridiculously lean from the factory. Find a way to test ride a V7iii with the fueling set up properly and you'll understand right away.
     
  13. RedHawk47

    RedHawk47 Tuned and Synch'ed GT Famiglia

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    If the traction control cuts the spark and does not cut the fuel you will have excess fuel that will burn in the pipes and get them hotter than usual, causing them to "blue".
    You do not need a new map for this one time event.

    Dan
     

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