Quote:
Originally Posted by Formula260SS
Since this thread speaks to older outboards here's one - My 1987 60HP Johnson which runs great melted it's Rectifier and somehow the engine still ran and has been this way for who knows how long. (only use the boat on occasion)
I do have a service manual and the stator and new rectifier check out OK using a Fluke. However the output from the rectifier is up around 16 Volts which is really too high. Question is - do all the old outboards with Rectifiers run high on voltage? I did order a Regulator / Rectifier which I believe will cure the high voltage but thought it a good question to throw out there. I don't have any electronics on the boat besides Nav Lights but worry about the Power Pack and other engine components burning out. It has eaten a few choke solenoids which I'm now thinking could be a victim of the high voltage.
Thoughts ? - Thanks
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As far as I know, the charging system on that engine is unregulated, so 16 volts is probably normal if the battery is charged up fully. It will be a lot lower if the battery is discharged. If you are concerned about too much voltage, CDI makes a regulated rectifier that should bring it down to 14 volts or so. It's part number #193-3408 and they cost about 70 bucks.