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60 hp murcury outboard rectifier problem

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david in reno

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i have a 1990 60 hp mercury ou

i have a 1990 60 hp mercury outboard motor when i got it i had to get a rectifier for and then no problems untill went to use it again and no spark so i changed the rectifier and it started now it went out again im not jump starting it or takeing the battery cable off when running should i put a battery shut off any help would be grateful thank you
 
"David, I'm not sure what

"David, I'm not sure what your issue is here.

You had a bad rectifier and replaced it...

Are you saying now that the battery is either not holding a charge or is dead the next time you try to start it?????"
 
the battery is good turns over

the battery is good turns over no spark i changed the rectifier and it started fine and went to use it and no spark again rectifier bad again ????
 
"David, the rectifier does not

"David, the rectifier does nothing but covert the AC voltage being produced by the charging coils on the Stator, to DC which is then used solely for charging the battery.

If the battery has power and the starter motor is turning the motor over, but the motor won't fire because of no spark, that is nothing to do with the Rectifier.

If you have blown the rectifier again, that may indicate that the Stator is in fact bad. That would possibly account for no spark at the plugs and a bad voltage which killed the rectifier in the first place...."
 
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