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    What year?

    Merc 90hp serial#A935012 Model#1090726. Does anyone know what year motor I have. I thought it was a 86. Thanks
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    Radio shack rectifier?'s

    When hooking up the two yellow wires and the grey tach. wires do they need to go onto the rectifier a certain way. I mean can you hook up either yellow wire to the a/c sides of the rectifier? Thanks.
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    Stator voltage?

    Does anyone know what the A/C voltage should be coming off the two yellow stator wires on a 1986 90hp inline six merc? I get 99 volts at WOT without the red positive wire hooked up to the rectifier. When I do hook the red wire up it will not run at wot. Any ideas?
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    Cranking voltage

    I need to know what the cranking voltage should be off the stator wires on a 86 90hp merc. Thanks
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    86 90HP Merc keeps blowing rectifiers

    :( Help, I am still trying to trouble shoot this problem and need a little tech help. Could it be that the key switch is shorted inside? Does anyone know how to trouble shoot the "Commander" side mount key switch? Should there be coninuity on the red/yellow wire at the switch when I turn the...
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    Flywheel puller

    Does anyone know what size thread is on the flywheel that the puller screws into on a 1986 90hp merc? Thanks
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    86 merc 90hp blues!

    :( Hello all, Took the boat out last night after replacing what I thought was a bad rectifier and the motor ran just the same. No go at W.O.T. So I unhooked the rectifier and she took off like a raped ape. Now I have two bad rectifier's. What would have taken them out? My question is this, how...
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    Serial #

    Could someone tell me where the serial # is located on a 86 90hp merc?
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    Rectifier?'s

    Would a bad rectifier cause my 86 90hp merc to miss when I throtttle up past 1k rpm's? Mine tests bad and I am wondering if this could be my problem. The stator and trigger assembly ohms out good. Thanks
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    86 90hp Merc will not run over 2k rpm's

    :( Hello all, I am new to the board so forgive me if this has been asked before. My problem is that I have this 90hp merc that I rebuilt and cleaned the carbs, installed new gas filters, and new gas line. The motor will not go when I put throttle to it like it is only running on 3 cylinders...
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