not running right at 1/4 throttle

[lykins89shee]

Fresh rebuild on 89 banshee at 1000ft. Mods are k&n no lid, fmf pipes, cool head 20cc domes , timing plate +4, dune play port, tors removed. Mains are 300 and pilots are 27.5 air mixture 1.5 out. My problem is at quarter throttle it is kind of breaking up and not running smooth, but when you open it up it runs strong. My question is are the mains to big or do i need to try to turn my air mixture out to see if that helps. I know I'm going to have to play with it, but would like to get a good starting point. Thanks

[340scamp]

Have you tried replacing the muffler bearings or maybe drain the wheel hops or adjust the needle. Thanks

[lykins89shee]

Have you tried replacing the muffler bearings or maybe drain the wheel hops or adjust the needle. Thanks

 

 

Thanks for the help Mike

Edited February 23, 2010 by lykins89shee

[firebanshee]

Were is the needle at? Start at middle spot if not there.

[GrMeyer]

http://www.dfn.com/benkaren/jetfaq.html

 

Read up on this!!! Helps alot to understand what does what.

[Idontknowwhy]

I had a stutter right before it would get on the pipe, but once it was on it would run great up top

When i swapped jets i forgot to put the washer behind the main jet, just a thought