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Thread: XB9 -> XB12 ???

  1. #1
    Senior Member Banshee77's Avatar
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    Thinking of setting a 2004 xb12r engine in a 2003 xb9s, anyone know if its as easy as bolting it in and swapping ECM?

    Thanks,
    Banshee

  2. #2
    Senior Member thrstrmech's Avatar
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    yes, may have to remap it though

  3. #3
    Senior Member Banshee77's Avatar
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    yes, may have to remap it though
    Even if I use the 12r ECM?

  4. #4
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    Switching ECM you should fire and go. Tuning is always recommended

  5. #5
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    The wiring harness wont have the wires for the exhaust valve, but you're most likely not going to use it any ways.

  6. #6
    Senior Member Banshee77's Avatar
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    So... Other than the fuel/timing maps, are the ECM's the same?

  7. #7
    Senior Member FlaXB9R's Avatar
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    What's wrong with the 9? Are you just looking for more power or do you actually have mechanical issues?

  8. #8
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    Hell i heard you could swap out the top ends and jugs, headers, and pistons/crankshaft and rods and convert a 9 to a 12.... is that correct??...

  9. #9
    Senior Member Banshee77's Avatar
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    The issue is that one bike has to go, one is a xb12r other is a xb9s, would love to have a xb12s. Both bikes are in good condition with 5,000 miles or less.

  10. #10
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    Crank pistons and exhaust manifold all ya need for engine internals



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