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thurston100

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About thurston100

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    TT Newbie

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  • Location
    Iowa
  1. thurston100

    Carb problem?

    Put in the 17.5 pilot jet, 1 shim under the needle, air screw is at 1.75ish now and able to turn the idle screw out several turns. Beats the almost fully seated air screw and almost fully seated idle screw that the factory had it set at to kinda run (I'm assuming it came from the factory like that as the air screw still had the plug covering it). The 100 main was too rich and sputtered at full throttle. I have no intake or exhaust modifications. I just put the 95 main back in and it runs like a champ now. No wonder someone traded it in after a year. I would have taken it back to the dealer to get it fixed. Thanks for everyone's input.
  2. thurston100

    Carb problem?

    Well, after 2 hours of tinkering I think i figured it out. It's running way lean. The air screw is almost all the way in to get it to idle good and actually not die if the throttle is cracked open too fast. It has a 12.5 pilot in it. It runs now with just a slight bog under 1/4 throttle. Not a huge deal. Just glad it doesn't die anymore. Not sure if that pilot is bad (it looks clean but who knows) or what but just ordered a jetting kit that bumps the pilot up to a 17 and the main up to 100.
  3. thurston100

    Carb problem?

    Well, after 2 hours of tinkering I think i figured it out. It's running way lean. The air screw is almost all the way in to get it to idle good and actually not die if the throttle is cracked open too fast. It has a 12.5 pilot in it. It runs now with just a slight bog under 1/4 throttle. Not a huge deal. Just glad it doesn't die anymore. Not sure if that pilot is bad (it looks clean but who knows) or what but just ordered a jetting kit that bumps the pilot up to a 17 and the main up to 100.
  4. thurston100

    Carb problem?

    Took the plug out covering the air screw. Cleaned the carb again while I had it off. New gas, charged battery (which initially did not fix the problem). Drilled the plug out. Turned the air screw in less than an 1/8 of a turn from the factory setting. Good news was that it took the spot out in the throttle that killed it. It was revving up just fine when I cracked the throttle. Bad news it, that it barely idles now. And come to find out the idle screw was already adjusted all the way in which makes no sense. I only had an hour to mess with it today. Will try to tinker with it again tomorrow when I have a few hours.
  5. thurston100

    Carb problem?

    No air leaks. That's also one of the first things i checked. Found a pic of where the air screw is hidden. No wonder i didn't see it. Have to take the cap out with a 1/8 drill bit apparently. Going to try charging the battery first then adjust the air screw if that fails. Thanks
  6. thurston100

    Carb problem?

    Interesting. ... I sure don't remember seeing that screw and I was looking for it. I'll have to check when I get off work in the morning. Looks like it should be next to the Idle screw.
  7. thurston100

    Carb problem?

    That's the one i saw with the carb off. Does it just pop out with a screwdriver or does it need drilled out? This may be the next thing I try after I try charging the battery.
  8. thurston100

    Carb problem?

    Definately not a plugged jet. That was my first thought as I've tinkered with dirtbikes for 35 years and a good cleaning usually does wonders. This is the first I've messed with this type of carb. It's got a dual cable slide set up, but you take that off it looks pretty normal. Any idea where this plug is that covers the air screw. I saw something that looked like a plug but it looked like it needed drilled out and I didn't want to go drilling on it without being sure. I will try the battery fix first and see if that works. This is the first electric start dirt bike I've ever owned. I would take it back to the dealer but it's a 3.5 hour drive and not worth it yet if it's something simple.
  9. I just bought a used 2015 TTR110E from a dealer. It was winter out when I bought it so I didn't test ride it and it looked spotless. They did start it up and it started and idled just fine. I didn't think it would have any issues since it was just a year old. It was warm enough the other day 45-50 degrees or so and my kid wanted to ride it. It started up fine and idles fine. But, if you give it gas too fast, it dies. If you apply the throttle slowly, it doesn't, it will rev up just fine. If you half choke it, you can accelerate rapidly. Figuring it was just a dirty jet, I took the carb apart and cleaned it, even though everything looked spotless. It still died if you throttle it too fast with no choke on. Seemed like maybe it wasn't getting enough initial gas on take off, I raised the needle essentially one position with a shim, which is a pain. Still no luck. It does the same thing. Is it just the temperature? The battery for the electric start is dead, but don't think that should matter. My 2004 TTR90 runs just fine. I don't see any type of air adjustment. Just the idle screw on the back side. And yes, I do let it warm up for 10 minutes and still the same issue.
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