Re: 1958 Johnson 35HP wiring help needed.

[Mumbles]

If you use a Harley regulator, it has to be matched to the generator which was on the bike. HD 65 and 65A generators were rated at 10 amps while the 61 was rated at 15 amps. Mid sixties thru ’77 or so kick start Sportster XLCH bikes used the 10 amp system with a small Bosch mechanical regulator. If you want to stick with a mechanical instead of electronic regulator, the small Bosch is probably the one to use. They aren’t very big and I can post a photo or some measurements of one tomorrow so you can see the size of them.

Here’s a small 12V Bosch style regulator but I really doubt if it’s made in Germany for the selling price.

http://www.ebay.com/itm/74511-65-12v-Me … 1177519752