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  1. #21
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    Quote Originally Posted by Andy99 View Post
    Try running it up the road with the fuel cap slightly loose. Sometimes the little breather hole in fuel tank caps becomes blocked and fuel won’t flow freely to carb causing it to cut out
    THIS!!!! aka Vape Lock

  2. #22
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    What we really need now is a hell of a lot more information!!!!!

  3. #23
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    Quote Originally Posted by Adammoto View Post
    It just simply dies no popping or anything.
    Does it die or does it shut off???? There is a difference....

  4. #24

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    Ok sorry had a hell of a morning! But to answer y’alls questions I’d say it just dies! All the lights stay on ect ect so it’s still getting power which kinda tells me that it’s not the ignition but then again I could very well be wrong about that! And I also do not know what brand the ignition is the bike got past down to me from my grandpa so I really don’t know. Everything on it is top notch not cheap stuff I know that though. Thanks for all the help btw.

  5. #25

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    Also the breather hole in the gas cap looked pretty gunked up can’t take it apart to clean but I sure am going to try what Andy99 said to see if that’s the problem !

  6. #26
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    Coil. the can start to break down, and run, until hot. Most points run a 5 ohm, EI, 3 Ohm. Easy check running and when it quits. Simple ohm meter, disconnect both wires, do ohms test. EI, 3 ohms or close Run till it quits and disconnect again, run ohms test. If ohms changes, coil is bad. Most EI, are good or bad. Occasionally they do this and run and then quit. But it is much more rare than the coils.

  7. #27
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    My girl frisked me real good on the tunnel of trees while we waited for a tow, a real opportunity turn lemons into lemonade dude.

    Try crapping the ignition out while the bike is running by blowing a hairdryer over it--run a fan over the cylinders though so the bike doesn't overheat. Ignition modules do take time to crap out if they're overheating like that, and sometimes people just unload their ride instead of fixing it.

  8. #28
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    Quote Originally Posted by ChopperDani View Post
    THIS!!!! aka Vape Lock
    I agree with this..your tank isn,t vented or the vent is clogged

  9. #29
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    AdamMoto OP Literally just ride the bike with no gas cap and see if it helps, so easy. dont be a dumbass and do it with a full tank lol

    then you can rule out Vape Lock. Mine did it when i changed tanks and petcock, that no longer uses the oem tank vent line n cap. i can notice the vape lock starting and all i do is crack the cap real quick and im good to go again. i can catch it before it kills the bike.

    literally try this simple ass trick out, Rule it out and move onto the ignition if thats not it.

  10. #30
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    I have seen this kind of problem before and it turned out to be a loose battery connection. Believe it or not.
    If a battery connection is very hot, it can be from a loose or corroded connection.

  11. #31
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    Quote Originally Posted by Adammoto View Post
    Ok sorry had a hell of a morning! But to answer y’alls questions I’d say it just dies! All the lights stay on ect ect so it’s still getting power which kinda tells me that it’s not the ignition but then again I could very well be wrong about that! And I also do not know what brand the ignition is the bike got past down to me from my grandpa so I really don’t know. Everything on it is top notch not cheap stuff I know that though. Thanks for all the help btw.
    Go ask grandpa and tell him what is going on with it. You never know. Old guys know a lot of stuff.

    I am 68 and i answer questions for young guys all the time but if they saw me they would not talk to me, I answer welding questions. I was a certified welder and a welding inspector through the American Welding Society. On the internet they do not know my age.
    Last edited by Luky; 06-28-2018 at 11:08 AM.

  12. #32
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    Quote Originally Posted by Luky View Post
    I am 68 and i answer questions for young guys all the time but if they saw me they would not talk to me,
    Why not I would think they would trust you even more because of your age... Hell I always have..... But now I'm one of those guys I looked up to... LOL Damn I don't believe I said that but we are...

  13. #33

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    This same issue I had on my 88 sportster. It ended up being the coil of I recall. If there is a crack in the copper windings, it will expand as the metal heats up causing a gap to large to send a spark therefore killing your engine. After it cools (and the copper shrinks) it will start back up until it gets warm again.

    Replacing the ignition timing mod would also be a good idea as well. I had similar issues except the bike simply would not start up.

    Good luck!

  14. #34
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    Quote Originally Posted by ghbloom View Post
    This same issue I had on my 88 sportster. It ended up being the coil of I recall. If there is a crack in the copper windings, it will expand as the metal heats up causing a gap to large to send a spark therefore killing your engine. After it cools (and the copper shrinks) it will start back up until it gets warm again.

    Replacing the ignition timing mod would also be a good idea as well. I had similar issues except the bike simply would not start up.

    Good luck!
    Interesting story. Once I was working on a car and could not find the problem. Same symptoms.
    SO I went back to the beginning and checked the fuses but I used a magnifying glass. I found that a fuse was cracked but it would work until it got hot then the fuse blade would separate and kill the engine.

  15. #35
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    Quote Originally Posted by rockman96 View Post
    Basing this on experiences with bad/going bad coils, Iím betting this is not your coil.

    It could be the ignition, but there again, in my experience, they usually are dead or not. Obviously other folks have had different experiences. Know anyone with an old stock ign laying around that you could try?

    Also make real sure there are no wires able to touch ground anywhere throughout the ign circuit. Iíve seen that too.
    not really as temperature rises it can fail, the stock evos use to do this before they shit the bed, and a coil can do the same thing

  16. #36
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    Again, instead of guessing or replacing parts willy-nilly, take it for a ride (with the gas cap first, then if it still does it, without) until it dies. Take a plug wrench or a spare plug with you. When it dies, remove the plug wire, attach it to the removed plug and ground it before it cools down. Crank the engine and see if you have spark. If you don't, you have an ignition issue. If you do, try removing the gas cap and see if that does it.

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