1973 Honda 500, Electrical problems/ cafe
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1973 Honda 500, Electrical problems/ cafe

This is a discussion on 1973 Honda 500, Electrical problems/ cafe within the Technical forums, part of the Caferacer.net Forums category; Hey everyone I'm new to the site so I thought I'd first say hello. My names Jack im 18 and I am southern California resident. ...

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  1. #1
    Jakker91's Avatar
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    1973 Honda 500, Electrical problems/ cafe

    Hey everyone I'm new to the site so I thought I'd first say hello. My names Jack im 18 and I am southern California resident. I love Vintage bikes and when i came across my 73 cb500 i knew i had to have it. however i am having electrical problems with my regulator and rectifier. I am wondering if i should just buy the used same old crap off ebay or if there are any upgrades for electrical out there. Also i am very interested in a budgeted Cafe build any advice would be great thanks!

  2. #2
    Hamburg's Avatar
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    Aug 2008
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    Replace the rectifier. I do that on all of my hondas no matter what. Even if they are fine. The rectifier on these bikes are pieces of crap. You can buy one of these at radio shack. Heavy duty. Well worth it.

  3. #3
    Senior Member whiskeysid's Avatar
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    How many wires go to the rectifier? There are ways to build them yourself that aren't too hard, but if you want to save the trouble and buy a new one, there's a place called oregonmotorcycleparts.com that sells replacement stuff that looks quite nice. Making your own is usually cheap and easy, but I'm not familiar with the rectifier on the CB500.
    -the Rad Baron
    -\'72 CB350
    -\'72 Kawasaki H1
    -\'72 Yamaha R5/RD350 hybrid
    -\'77 XS650
    -\'47 Harley U flathead
    -a bunch of other old Jap bikes

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  5. #4
    smahala1286's Avatar
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    I'm also interested in electrical upgrades for my cb500k. Hamburg what rectifier are you using from radio shack?

  6. #5
    Member cb750k4's Avatar
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    Toledo, ohio, USA.
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    I got mine from oregonmotorcycleparts.com and they are the cats ass. I never thought my bike could charge so well. I got the reg, and the rec. for about $100 and had them at my door in about four days(I am in Ohio). They even emailed back and forth with me to be sure I was ordering the right one dispite the fact that it was a weekend. My Bike now charges at [email protected] and 13.9 AT IDLE
    If there\'s one thing that I like it\'s a burn up on my bike(Mike Sarne).

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