I have a 78 xs11. I am using a uni brand air filter (new). The problem is when I ride it and open it up at 2500 RPM it will reach 4000 RPM and studder the engine wont gain more RPM. Now if I stop take off the bottom of the airbox with the filter. The thing will take off like a cat shot in the butt with a BB gun.
The carbs have 142.5 pilots 145 mains needle clip middle slot.
The exhaust is stock head pipes with HD Dyna Glide mufflers.
If anyone is running HD mufflers please post/reply with the jets and needle clip position you are running and type of airfilter. I have been wrestling with this problem since the begining of spring. This is my first xs1100 but, I have owned and repaired countless bikes. I have never ran into this type of problem before.
The carbs have 142.5 pilots 145 mains needle clip middle slot.
The exhaust is stock head pipes with HD Dyna Glide mufflers.
If anyone is running HD mufflers please post/reply with the jets and needle clip position you are running and type of airfilter. I have been wrestling with this problem since the begining of spring. This is my first xs1100 but, I have owned and repaired countless bikes. I have never ran into this type of problem before.
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