jetting for wifes ttr125l?



3 replies to this topic
  • greenlantern

Posted March 24, 2002 - 11:01 AM

#1

I just bought a big gun exhaust for my wifes ttr and am wondering what jetting anyone has found works well on this bike with aftermarket exhaust?

  • Brandon

Posted March 26, 2002 - 03:58 PM

#2

change the main jet from the stock 105 to a 110. or a 115 if you have opened up the intake as well, theres not much else you can do, but the bigger main will give er more top.

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  • greenlantern

Posted March 26, 2002 - 07:24 PM

#3

Is it not necessary to do a pilot also? I called big gun and they said 115 main and 17.5 pilot. BBR says with thier pipe to use 110 main and no pilot change. I think I'm going to try the 110 as BBR suggested because they're the guru's of this motor. I have already opened the airbox and gone to a no toil filter to increase the air.

  • MotoGreg

Posted March 26, 2002 - 08:22 PM

#4

Actually, most people run a 112.5 main jet, and that's what we are running. I don't have a bigger pilot but I think I'm going to get one because I have the mixture screw quite a bit richer and still it's a bitch to keep it running for the first 30 seconds when it's dead cold even with the choke on. I opened up the airbox top but I'm still running the stock air filter. The BBR air filter is supposed to really uncork it.




 
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