Backfire

[Shovelhead]

Just fired bike up seems to idle fine but after accelerating it backfires and sputters a bit any ideas wood help

 

[figure8]

Carbs running lean. If you put pod filters or changed exhaust carbs need bigger jets.

 

[79XStLouis]

Try turning both the adjustment screws out more first, but that's only going to fine tune light popping. Bigger jets will be the answer if it's still too lean.