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    YAMAHA 40BE Not running smooth/Ignition?

    I have a rather old 40BE Yamaha outboard engine (early eighties?).<br /><br />The engine is not running smooth at higher speeds.<br />We checked compression => Ok<br /><br />We found on the ignition system 2 diodes (for each piston 1). Actually one diode is connected in the inverse position of...
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