Cylinder 1 fat?

Discussion in 'General Tech Talk' started by Y62, Jan 11, 2019.

  1. Y62

    Y62 .060 Over

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    Last edited: Jan 11, 2019
  2. idk

    idk Living Legend

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    Wouldn't happen to a black engine. :whitstling:
     
  3. idk

    idk Living Legend

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    Each cylinder has its own fuel table, and they do run a bit different.
     
  4. Y62

    Y62 .060 Over

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    The engine is black ;)
     
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  5. geneseo1911

    geneseo1911 Naturally Aspirated

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    What exhaust & intake setup are you running?
     
  6. warp9.9

    warp9.9 Pocałuj mnie w dupę

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    Looks like #2 &#3 were leaking. So they would look different. So then one has to eonder if your using the O2 sensor? If so then getting the two leaks might make the sensor read lean and then the ecu dumps more fuel. I think I'd clean things up. Check the coil low tension leads to make sure they are tight. Clean #1 enough that you can see the difference fix the leaks and ride her a bit then check again. If the bikes older I'd change all the vacuum lines, hose and plug caps are cheap.
     
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  7. Y62

    Y62 .060 Over

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    Stock header, no cat with a single 5" supertrapp and ramair.
     
  8. TheKid

    TheKid Top Fuel

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    Yeah, 2 and 3 look hot. Good call Scott. Good eye
     
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  9. cootertwo

    cootertwo Nitrous

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    My 2013 engine, out of a wreck had 3 different colors too. Hard to diagnose without it being mounted in something. Like Warp said, could be from leaking, or funky map, intake leaks, a whole lot of possibilities.
     
  10. Y62

    Y62 .060 Over

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    I run 20228 and O2 checked. Should I uncheck it? Another tune?
     
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