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Old 10-04-2012, 12:45 PM   #1
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Join Date: Dec 2011
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Yamaha tachometer 2 stroke V4

Does anyone know how to wire a tachometer for a Yamaha 140hp V4 2 stroke 1983. I need to know where the wires go onto the engine side. I have tried connecting it to black ground and green to the rectifier/ac windings from fly wheel but this only gives a constant reading which doesn't vary with revs! (this is the setup that mercury use) Cheers
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