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Voltage at coils?

Discussion in 'The Garage' started by RKrag, Mar 18, 2023.

  1. RKrag

    RKrag XS400 New Member


    I messure 11.4 volts at my coils with the ignition on, and motor off. Battery messures 12.7v

    Im having troubles with my right cylinder not firing up, and the spark seems very weak when I put the plug against the engine block.

    i tried cleaning the ignition switch, handlebar killswitch and going through the connections.

    is it normal to have a voltage drop like that at the coils? (Red/white wire)
  2. CaptChrome

    CaptChrome XS400 Addict Top Contributor

    What year bike do you have (points or TDI)?

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