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    1986 40 Yamaha 2 Stroke

    I have a 86 40 yamaha 2 stroke 3 cylinder short shaft.I put a rectifer on it and it charges the battery, but tach not working. I want to check the wires coming from under the flywheel there are to greens. Does anyone know how to check to see if I'm getting a signal from motor to tach. Want to...
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    Can't get 40 yamaha tach working!

    I have a 86 40 yamaha 2 stroke been trying to hook up a tachometer, but can't seem to get it. I bought a rectifier to put on it it has 2 greens, 1 red, 1 black. I hooked green to green coming from under fly wheel. Red to battery, and black to motor block. still no tach.:( It is charging the...
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