Bonneville America Forums Forums Technical Forums Performance Mods stuttering at 3/4 to full throttle.

So.....
I'm running to lean... hence the popping. I adjust the idle screws to elliminate this.
At the top end I'm running too rich, so I .......
Oh bu**er... I thought I was getting this.

I replaced the Thruxton with stock needles and 1 shim for the time. Yes, it is still popping. I'll see how it runs at 3/4 to WOT tomorrow.

If I use the Thruxtons, should I be using 125 main jets and 42 pilots. So I should down grade my jets from the 130's?

Jon