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      tmkenney replied to the thread BS38 Carb tuning.
      You're amazing thank you! Just ordered a handful, should make the bike behave better. Will also be putting in some basic baffles
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      tmkenney replied to the thread BS38 Carb tuning.
      Oh nice! I will check that video out when I get home, thanks! Just an update: richnened the needle by 1 spot, and adjusted air screws...
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      tmkenney replied to the thread BS38 Carb tuning.
      I just went from 27.5 (stock) to 30 due to huge airflow increases, would you really go below the stock pilot size? Not trying to be an...
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      tmkenney replied to the thread BS38 Carb tuning.
      Yes! I forgot thr exact measurements as I did it weeks ago, but I set them to the standard height against the gasket surface with the...
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      tmkenney replied to the thread BS38 Carb tuning.
      My exhaust is 1.5in as shown
      • 17685871115253690549929551425871.jpg
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      tmkenney replied to the thread BS38 Carb tuning.
      Got it, thanks! As of right now I also am cleaning spark plugs off with QD electronic cleaner and a brass brush, works awesome. I fouled...
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      tmkenney replied to the thread BS38 Carb tuning.
      Exactly, I believe it runs good enough currently to warm it up for a good few miles then see how it reacts, the idle might just be rich...
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      tmkenney replied to the thread BS38 Carb tuning.
      Plugs looked pretty black, evenly on both sides. I just upped the pilot jets from 27.5 to 30 on both sides since its such a free flowing...
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      tmkenney replied to the thread BS38 Carb tuning.
      Sorry I typed everything in one big paragraph so its hard to pick out, but exhaust is straight pipe 1.5in tubes, ending right around the...
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      tmkenney posted the thread BS38 Carb tuning in The Garage.
      Hey all, I've been building a 79 xs chopper for the last few months, and finally took it for a ride around the block tonight. I noticed...
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      tmkenney replied to the thread 79 xs650 not charging.
      Here is a very basic drawing of my wiring. Mike's reg/rect unit with 3 white wires, black wire and green wire in 1 connector going to...
      • Xs650regWiring.png
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      tmkenney replied to the thread 79 xs650 not charging.
      Yes mine looks like this, but brown only goes to switched power into the regulator, not back to rotors. Ground on one brush with black...
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      tmkenney replied to the thread 79 xs650 not charging.
      This is the basics, juat a simple setup for wiring. But power from battery at 12 volts goes into regulator unit, and coming put of the...
      • Screenshot_20251118_201121_Chrome.jpg
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      tmkenney replied to the thread 79 xs650 not charging.
      Just to follow up on this, I got a replacement regulator/rectifier from Mike's after fighting about it with them for a bit. Was cheaper...
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      tmkenney replied to the thread 79 xs650 not charging.
      Got it thanks! I'll take another look at that. I did a few more tests, and after having a known good stator put on, I can now say the...
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      tmkenney replied to the thread 79 xs650 not charging.
      Unfortunately, got a new/used stator that was confirmed good, and bike still does not charge more than .02 volts at a time, so still...
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      tmkenney replied to the thread 79 xs650 not charging.
      So everything looks good up until the stator. Slightly corroded where it enters the windings, and if I hold test leads to the wires and...
      • 20251222_143949.jpg
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      tmkenney replied to the thread 79 xs650 not charging.
      So im seeing that each white wire ohm to each other is 1 ohm, but to ground each is about 1-1.5 mega ohm. Which tells me that the stator...
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      tmkenney replied to the thread 79 xs650 not charging.
      So when supplying 12v to the positive brush, im actually seeing between 5.5-6ACV on each wire constantly. Same with the connector...
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      tmkenney replied to the thread 79 xs650 not charging.
      Apologies, let's try that again. Should be here. White wires connect to white on rectifier, black to ground and stator ground, green is...
      • 20251222_100806.jpg
      • 20251222_100825.jpg
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      tmkenney replied to the thread 79 xs650 not charging.
      Here's a picture of the stator with the cover off, as well as the unplugged connector coming from it. I just tested the rectifier this...
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      tmkenney posted the thread 79 xs650 not charging in The Garage.
      Hello all! Im currently building a chopper from a frame/engine I picked up a few months back, and its going great. Its a 1979. Bike runs...
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