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  1. #1

    Yamaha gp1300r error 66 using diagnostic software.

    Bought diag kit since getting error code 66 and there are no local Yamaha dealers near me to bring this to. A couple local shops wouldn't touch it.
    I am new to using the Yamaha diag software and was wondering if you could tell me what the stepping motor should read while testing.
    the test completes and i can hear it working but it only goes from 7.8 to 2.3 so i am not sure what the status of this stepping motor is. Good bad dead???
    If ANYONE could help me with this issue I would greatly appreciate it!!!
    If it is the stepping motor where can i find one any ideas.

    Thank you for your time!!

  2. #2

    Join Date
    Apr 2006
    panama city beach 'fl
    sounds like power valve motor bad ,check plug for trash=if no good new/used motor or is this F/I ski year

  3. #3
    The issue was a stepping motor. Found a used one and now we are good to go.
    I have the Yamaha diagnostic software now to help trouble shoot these issues.

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