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    For Sale - 1979 XS 400 Motorcycle

    this thread was closed for some reason...not sure why. Sorry if I made a mistake. hoganJr
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    For Sale - 1979 XS 400 Motorcycle

    I have a red 1979 XS400 for sale. The bike starts easily with the kick start. Electric start turns the engine over but won't start it. This bike is a daily runner. The pics show that it is in pretty good condition with a few cosmetic issues. PO put "cafe-style" handle bars and a fairing on it. I...
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    vacuum petcock converted to gravity

    ------------------------------- "Aviation Sealant" - is that like Form-a-gasket? What color is it when it dries? that looks like the stuff I have...it dries black
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    vacuum petcock converted to gravity

    I am sorry I have not been following up very well. I asked for help and you all have been helpful. I did a low-tech, no-cost troubleshooting repair that solved my out-of-control revving problem; I coated the carb-to-head boots with aviation sealant and then slipped a section of bicycle inner...
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    red 79 back on the road

    Yeah, I should just go for it and get the bar-ends. Until looking around on this site I did not realize that the exhaust was not OEM. hoganJr
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    red 79 back on the road

    I bought the bike for my 18 year old son. He just finished his motorcycle safety course. I like the idea of bar-end mirrors, but I'm not sure it's the best choice for a beginning rider...there's a reason why those MSC bikes have no mirrors or turn signals! Any links to bar end mirror...
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    red 79 back on the road

    check out these pics of my 79 XS400 she still needs some new tires and mirrors that see around my elbows and a little cleaning and polish would be good. Thanks to this forum for helping me sort out a few issues with charging and idle. HoganJr
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    No one knows how to fix this problem

    Nothing is random. You need to systematically troubleshoot. When it dies will it still crank but not start? Is there fuel in the float bowls? Do your indicator lights come on? Have you eliminated the ignition switch and connections? Is your gas cap venting? hoganJr
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    idle problem resolved

    I have posted several times looking for help from you folks on resolving the not-returning-to-idle issue that my 79 XS400 has. Everything I read here points to an air leak or mixture screw issue. I found that my mixture screws were both broke off in the carb body, so I bought some used carb...
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    How do you check the oil?

    thanks alot! "allowing it to rest on the threads of the hole" ...how did I miss that? hoganJr
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    How do you check the oil?

    do you check the oil level as indicated with the dipstick screwed in tight or with the dipstick unscrewed and laid in the hole without screwing it back in? hoganJr
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    vacuum petcock converted to gravity

    well I bartered for set of used carbs for my XS400. Had to buy a pair of new pilot screws. Used the best parts from both sets of carbs to come up with a completely rebuilt set of carbs. Turned the screws out to 3.5 and installed. Same darn thing...once the engine warms up a little if you give it...
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    vacuum petcock converted to gravity

    Good call:banghead: I tried to push them back but of course that didn't work. Looks like I'm in the market for some used XS400 carbs...
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    vacuum petcock converted to gravity

    Hey XS400 people, I am determined to figure this out and still appreciate any advice you may have for me. The Pilot screws were set at 1-1/4 turns; I turned them out to 3-1/4 and had excellent results...in the garage. I repeatedly reved up to 4 or 5000 and released the throttle. It snapped back...
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    vacuum petcock converted to gravity

    Wow...that is excellent information! thanks. I will try that. If my memory serves me correctly the springs under the screws are fully compressed.
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    vacuum petcock converted to gravity

    thanks for responding with your wisdom and experience, Ihaolpa and HoughMade. I just finished the ABATE safety course with my son and this is gonna be his ride so I gotta make it run right. HoughMade, I was in Valpo a couple weeks ago for a class at the University...beautiful campus, great...
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    vacuum petcock converted to gravity

    Hey folks, I have this '79 XS400 that you all helped me sort out a non-charging issue with. It turned out to be bad and incorrect bulbs in the brake/tail light that allowed both bulbs to burn bright all the time. Fixed that, and charging good! I continue to have a problem with the engine racing...
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    voltage regulator

    I have been working on some other projects, motorcycle-related and otherwise lately but I returned to the XS400 last night. I got her started and began to disconect parts of the wiring harness to see if by diong so I could isolate some problem in the system that is causing the drain on the...
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    voltage regulator

    thanks for the info...the link did not work, but I assume you mean the Standard Motor Products VR-125 you refer to in another of your posts. Good info, thanks again hoganJr
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    Exhaust question.

    http://www.harborfreight.com/medium-tail-pipe-expander-37353.html this is a tool that might come in handy for this project and in the future. hoganJr
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