OnlyA2Stroke Posted April 14, 2006 Report Posted April 14, 2006 I just installed on my 06. Vforce 3 reed valve, and I left the insert in the v-force 3's. I have the clip in 2nd from the top(blunt end). I also installed a K&N filter and modded my airbox lid for a customer outerwear cover. I installed 240 main and my stock was 200. It is backfiring like crazy and only runs with a choke....Should I go up that much more on a main jet or could it be an air leak? Quote
sheefreak Posted April 14, 2006 Report Posted April 14, 2006 Do you have pipes or anything else? I think you are definately lean on the needle. Why did you lean it out? I would go back to clip in the middle position, and if you have pipes, go to 4th position from blunt end. The choke is always a good indicator. If it runs better w/the choke, you are definately lean. If you are running stock pipes I would think your main is pretty close, if you have aftermarkets, you are definately lean. Quote
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