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Thread: Wiring 2T issue

  1. #1
    Should Get Out More maccecht's Avatar
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    Default Wiring 2T issue

    Right wiring Guru's. Mate had his CRM250 nicked and stripped of its loom. He has now got it back and rewired it. However he cannot see how the power valve is activated via the CDI unit. What will tell the CDI to open the power valve? It does not have a TPS or rev counter and apart from the ignition modules and generator I can't see how the CDI tells the power valve at what RPM the engine is at. So folks feel free to offer answers
    Wiring diagram attached. Minor point his CDI has 16 wires but all MK3 diagrams only show 14 and all these bikes are imports. I asked him to check the part number but he wont be able to do that until the weekend.
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  3. #2
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    Default Re: Wiring 2T issue

    I can't help but has he tried or joined the CRM forum?

    CRM250.COM • Index page

    There is an enormous amount of knowledge stored there and they are friendly and helpful.

  4. #3
    Should Get Out More maccecht's Avatar
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    Default Re: Wiring 2T issue

    Cheers Cheb I will pass on the link

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    Should Get Out More a_morti's Avatar
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    Default Re: Wiring 2T issue

    The CDI sends the spark so whether or not it sends that to a dial on the dash, it wouldn't be hard for the CDI to "work out" how many sparks it's sending per minute = rpm = whether the valve should be open.
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