> Try removing the restrictor sleeve at the pipe. I also had the same problem with my wife's atlantis when I drilled a hole on the airbox. But after removing the sleeves it gave 8-10 MPH more.
More air coming in and less air coming out.
> I have a 2004 derbi atlantis. I drilled holes in the air
> box and when i hit about 30 mph it hesitates very badley. I
> have to let completley off the gas. woundering if it was a
> restriction
> plate. If it is were exactly is it?