I have an 04 grizzly with k&n filter, HMF exaust. I'm having aproblem finding the right jet to put in. Right now when i get in the throttle it starts moving then there is a slight pause before it takes off can someone help me out

 

Did you put a bigger pilot jet in? How many turns out is the mixture screw?

 

pilot jet is stock. mixture screw is turned out 2 and ahalf turns