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TOPIC: 59 Johnson 50hp alternator ?

59 Johnson 50hp alternator ? 2 years 3 weeks ago #123315

Got a 59 Johnson 50hp. Can I hook up and alternator? If so where do I get one? It has electric Start. But I would like to have an alternator hooked up to help out. From my Google searching I seen one on eBay that sold that looked like it bolted into the hole on the opposite side of the starter

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Re:59 Johnson 50hp alternator ? 2 years 3 weeks ago #123327

David,
Welcome aboard! So that hole you see on the other side of the motor, that looks like another starter would fit, is for a generator. They are as hard to find as hens teeth and if you do find one it will probably cost you and arm and a leg. I have a '59 Evinrude Golden Jubilee 50hp "Fat Fifty" and have the same empty space. I don't know if you can adapt an alternator to work or not. Maybe someone who had can jump in here.

Bob

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Re:59 Johnson 50hp alternator ? 2 years 3 weeks ago #123334

I wonder if a generator from a Big Twin would fit. I won't ever run my '58 Starflite enough to need a generator, but am intrigued...
Larry

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Re:59 Johnson 50hp alternator ? 2 years 3 weeks ago #123386

Not an expert but probably should work.

Bob

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Re:59 Johnson 50hp alternator ? 2 years 3 weeks ago #123390

  • ed-mc
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Here's a V4 generator at auction on eBay:



You'll need a belt as well:



BTW it looks like the V4 and Big Twin generators are the same except for bracketry.

Here's a voltage regulator, might be the hardest thing to find (not cheap, either!):



Last but not least, attached is a wiring diagram for an electric-shift Big Twin with alternator. Of course the pertinent part of the diagram is the alternator connections.

Maybe you'll luck out and find a relay box on Craigslist or eBay from a generator motor; it'll have the regulator mounted along with all the wiring.

HTH, G'luck...........ed
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Re:59 Johnson 50hp alternator ? 2 years 3 weeks ago #123409

Wow I that generator goes for the current price it's a steal!!!!!!!!!!!!!

Bob

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Re:59 Johnson 50hp alternator ? 2 years 2 weeks ago #123541

Wow! Sold for $12.99! Even with $18.50 shipping that is a steal!
Larry

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