i just got a white bros e-series slip-on (12 discs) and K&N Air Filter and K&N Jet Kit. i am at 0-1000 feet. with the filter and the pipe i am currently running a 134 main jet, mixture screw 2 turns out, and the needle on the 3rd clip position. Occasionly the engine will sputter at different RPM's. am i using the right main jet, needle position, and mixture screw setting? or should i change the setup?

 

I have the the same pipe as you and I think with the 134 you might be better off with your needle on the 2nd clip. I usually run my mixture screw 21/4-21/2 turns out. That seems to work best but I can't share my carb setup since I have a uni clamp on filter and some mild porting I'm running a 140 main with my clip on the 2nd notch.

 

thanks for the help.