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  1. #1
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    Default Sporty dieing once warmed up???

    2002 xlc Bike has ran AMAZING for over a year. Has bassani road rage accel coil, big sucker cleaner. Just road to mammoth from LA and back. Bike stuttered hard while in 5th almost to mammoth. Let it cool and did do it again at all not even on trip back. I thought it might be the coil going out under the heat of the long trip. So now new coil, been running fine for 2 weeks and now I let it warm up with just a bit of choke ( like always ) and when warmed up and choke is in... it ides down and down very suddenly. I adjusted the idle screw up some but this is not the problem. IS MY CARB DIRTY? DO I HAVE AND INTAKE LEAK OF SOME SORT? Is my timing screwed? I did just put the baffle back in the pipes two weeks ago because it runs so much smoother with it. How can I diagnose this myself? Thanks guys.

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    does it die out like its running out of gas? if so it could be your ignition module, same thing happened to me. test it by aiming a hair dryer or heat gun at it when the bike is cold then fire it up (thats test isnt a SURE thing)

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    You might also want to test your coils.

    Sent from my MB611 using Tapatalk 2

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    woah woah woah... did you put a baffle back in and not rejet?

    Jetting for open pipe + closed pipe = bad idle. Duh

    If so, see my how-to on tuning your pilot here: http://www.chopcult.com/forum/showthread.php?t=24364

    You should also check for intake leak by spraying the manifold joints with starter fluid or wd-40 with the bike running (use choke if ya gotta)

  5. #5
    nunez8853
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    Maybe your starter relay It happend to me a few times where I would get to riding stop put gas and then nothing had to call for help, or it would quit on me in the middle of doing 45 on the streets sometimes it wouldnt even start. its worth checking out its was a 10 dollar fix for me man, but it happens to be your ingnition module check this place out i picked up an Ig mod for 210 shipped

    http://www.axiomcycles.com/pages/ite...temsection=218



    as with anyother place some of their stuff is cheap and others are pricey but the ignition modules are pretty ok in price man just trying to save you a few bucks

  6. #6
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    Thanks so much, I am leaning towards it being a bad ignition module. it runs fine while cruising on hwy at most speeds. My bike has always idled a tad on the low side. I don't like the sound of a high idle. In the past I have removed and put back in the baffle several times. Just due to being undecided on sound vrs performance. It has been jetted for drag pipes and left at that. No jetting was changed after I added the bassani road rage 2-1. I figure the 2-1 without a baffle is the same or similar to drag pipes. Anyway I believe its a mixture of off timing, bad ignition module, and maybe dirty carb or float issue. Anything else I should have them check at the shop tomorrow? I am bummed ignition modules are not so cheap...

  7. #7
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    my bike started doing something similar yesterday. it would run like it was running out of gas and this just started happening after about a 20 minute ride. took the carb off sprayed all the jets and took apart my accelerator pump. im guessing myne was stuck. check yours. its an easy job. myne runs great again.

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    What did you spray them with cardinal? I have never cleaned a carb. learning all of this new. I am reading right now about the singal fire ignition module. Sounds like good stuff. I have a new accel performance coil and wondering if it will work with a single fire ignition.

  9. #9
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    Check your plugs.

    I'm guessing that since you never rejetted for two potentially very different pipes, you could have fouled your plugs by being rich or burnt some of the electrode by being too lean.

    Pull your used plugs and check for:

    Color
    -black/sooty is too rich
    -light brown is good
    -pitted/melting is too lean

    Gap
    buy a $3 spark gap guage from the autoparts store and measure your gap
    Last edited by NakedRob; 10-23-2012 at 12:28 PM.

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    Are you sure you dont have a pinched vacum line? That's what it was on mine?

    Caused vapor lock in my tank and kept shutting the motor down after warm up.

    just remove your gas-cap and try starting it again if it dies next time....

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    Actually it could be vapor lock. I just put on a tank lift and had troubles tucking all the wires back in. The lines that would be causing this are all around the carb correct? Is there a proper way to check this or I just kinda have to eye-ball it and feel around?

  12. #12
    nunez8853
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    I second that man check your vacume I swapped petcocks and had an empty vac line and it ran like shit, put a screw in the line to plug it up and it worked ever since.

    If you put a tank lift man if i was you id take it back off and make sure nothing cut, or pinched. its work a few hours of time and could save couple hundred bucks.

    and check out that site i sent you by far the most inexpensive modules I have found. trust me i spent 3 weeks searching..


    http://www.axiomcycles.com/pages/ite...temsection=218

    there is it again ^^^^^^^^

  13. #13
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    Quote Originally Posted by Goolz View Post
    Actually it could be vapor lock. I just put on a tank lift and had troubles tucking all the wires back in. The lines that would be causing this are all around the carb correct? Is there a proper way to check this or I just kinda have to eye-ball it and feel around?
    Just lift the tank and see if you pinched the vacum line.

    That's what happened to me.

    The other way is like I said, start the bike and if it dies..remove the gas cap and start it again.

    If it fires right up you know that you have vapor lock

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    Hey nunez what ignition on that site will go with a 2002 xlc ? The site has lots of parts and not sure which ones will fit my bike.

  15. #15
    nunez8853
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    Quote Originally Posted by Goolz View Post
    Hey nunez what ignition on that site will go with a 2002 xlc ? The site has lots of parts and not sure which ones will fit my bike.
    this is what I went with, just cause its what I could afford at the time. and some buddys of mine told me to get it ( bike mechanic for 15 told me)

    http://www.axiomcycles.com/pages/ite...temsection=218

    lets see I have a 2002 xl nothing special correct me if im wrong guys but as far as I know there is no difference mechanically the xlc is just more shine and bigger price tag.

    with that being said if you have the money to spend and your going to get a new ignition module invest in a single fire set up, module coil wires plugs the whole set up.

    the difference between the dual and single fire is like this( again i am no expert and anybody correct me if im worng but) single fire sparks one cylinder at a time as one fires it completes the revolution (going down and back up) then the next cylinder fires they work one at a time in the duel set up they dont work together they work against each other. single fire is better to have than duel in a performance out look.

    If some one can enplane it better please do also note man currently you have a duel fire. but if your like me and not worried about going 100000000000000000000 mph then get the duel.

    Again im by no means an expert if im wrong correct me.

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    That one is dual fire, I am thinking about going single fire. From everything I read it is a much better idle. Bike is in shop now so I should know whats wrong at some point today. I'll update you. It for sure was not the vapor lock I thought it was. Died bad on me this morning after warm up. Its starts right up after it dies with no problem. It just idles all the way down. I put on new spark plug and bolt covers and had to trim the boots. The mech says that I could have set up a bad spark scenario. They are going to start there and work over to the jetting as well as check the ignition module.

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    i got the ultima kit on ebay, good price, easy install and bike runs great

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    So I got my sporty back from the shop today. They spent two hour and replaces some line to the carb and cleaned the carb. The did re-jetting because I had jetting for drag pipes and now running bassani road rage 2-1 with baffle ( i was running n baffle for about 6 months ) It seems like the dieing after warm up is fixed however my bike spit through the carb pretty bad after 15 min on the frwy home. I can tell theres some popping when i release the throttle when stopping and down shifting. Any ideas? This is nerve racking. I want my bike to run perfect.

  19. #19
    xllance
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    It's probably too lean. How do your plugs look ?

  20. #20
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    I havnt checked them since I got home. The just did all this today. Do I need to ride it a lot further for anything to show up on the plug? If its too lean is there something simple I can do to fix it? thanks so much for the help.

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