Colors listed here may vary with year & model but in general should be a good guide when tracing Yamaha wiring troubles. Ground potential oil transfer, High speed Charge Coil GREEN Tachometer signal, lighting coil lead, knock sensor ORANGE Trim position sensor PINK Oil and overheat signal ground WHITE Ignition stop circuit, SW1 oil transfer off position V4 BROWN Start circuit Low speed charge coil; Positive “+” potential
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