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Switching to non-vacuum barb manifolds from JBM (he doesn't drill them for vacuum barbs anymore and I don't feel like drilling my own) can I still use vacuum petcock and switch it over to "prime"? thanks! -jonathan

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I just replaced the butterfly valve shaft seals on a set of BS34s and as I was putting the carbs back together I noticed that the throttle plates don't quite close all of the way, there is a gap. I looked at my old BS38s and they closed much more tightly but on one carb I could see a little gap...

http://newjersey.craigslist.org/mcd/3081889663.html

So after years of never getting my BS38s quite right despite everything that can be done under the sun, I decided to put on some BS34s. I cleaned them, put in a 140 main and a 47.5 pilot. Went out for a test ride and at times it was running very well, nice smooth idle, good acceleration. At...

I got a set of bs34s from an 82 Heritage (as far as I know) and it has the cable pull choke which ran from a lever on the bars. I want to convert this to an on-carb pull, maybe still using a cable somehow. I have seen some threads about getting a rod with detents and ball bearing and spring...

I've been unemployed since July so before I accept the generous offering of financial assistance by my family, and to clear my conscience, I must first exhaust all of my own potential cash resources. So, sadly, I put up for sale my 79 Yamaha XS650 Special 2F Street Tracker. Clean title, recent...

http://churchofchoppers.blogspot.com/2011/09/sweden-1976.html

You are running a permanent magnet alternator bike and you have your headlight on, what's your best idle speed so your bike doesn't threaten to stall. Looking to collect a little data here and see what the average is. -j

http://throttleyard.com/2011/06/17/ty-exclusive-early-70s-twin-engine-yamaha-drag-bike/

Bike stalls at idle when headlight on (PMA w/capacitor) When I'm riding the bike runs very well whether the headlight is on or off but when its on and I stop at a light, at idle I can hear the motor stumbling and eventually it stalls. Then I switch the headlight off, and it fires right up. I've...

So I've just begun riding after my permanent magnet alternator conversion. The bike runs to fine but is tough to start, even when warmed up it takes several kicks. I know that as the bike is trying to start, the headlight, taillight and my speedo light are all trying to come on as well, could...

Just finished my winter bike work, in May. This is what I did over the last several months. Tapered steering bearings Bronze swing arm bushings Permanent magnet alternator - Mr. Riggs adaptor, banshee rotor, VFR500 stator New simplified wiring harness Removed battery box and extra frame...

It lives! I fired up my bike after successfully wiring up the perm mag alternator, so happy! Now I'm on to the rest of the wiring - simplified wiring minus all the stuff that used to live around the battery box: I understand that the blue-yellow wire from the key switch powers the headlight...

I'm redoing the wiring on my 79 after doing the perm-mag conversion and I've grounded my capacitor to the frame but what about all the other stuff like the lights, horn, etc. After looking at various wiring diagrams I've noticed two different kinds of grounds, "ground" and "frame-ground" and...

The title says it all. I am missing an air mix screw on my right BS38 carb but the spring that comes with the rebuild kit from Mike's XS is too large... Anyone found a spring that fits? -j

I'm doing my batteryless wiring and read that from a 7-wire reg/rec, there are 3 field wires (yellow), two positive and two negative. I also read that the two neg wires should be wound together and so should the positive. The question is, which are they? I have a red, green, orange and blue...

I'm doing the perm mag conversion and I've seen a million wiring diagrams on this site and just can't be sure which one I should follow. I've got a 79 with Pamco and reg/rec combo and I've got a capacitor. My current wiring harness in nuts, the nest of wires in my headlight bucket is so thick I...

http://www.bikermetric.com/p/freedom-or-death-machine-build.html

http://deathspraycustom.com/blog/