my 43 run great at high an low throttle but mid it sputers.i dont if my h or l needs ajusted or if it the temp 20.wate to it warm.i dont what to do need help.i have new cdi on it

my 43 runs great at high an low throttle but mid it sputers.i dont know if my h or l needs to adusted or the temp was to cold.should i wate to it is warmer.i dont know what to do need help.ihave a new cdi on it

If it's a needle adjustment that is needed, it's most likely the low speed that needs to be leaned a little.

Here's a couple of links that will help to walk you through it (Yes they are fom another engine brand but the information remains the same)

this one is direct from the Walbro book

[link]http://www.zrcgf.com/pages/files/Tuning%20A%20Walbro%20Carb.pdf[/link]

This one is about running in bit it simplifies the tuning procedure

[link]http://www.zrcgf.com/pages/files/Master%20Series%20-%202%20Stroke%20Engine%20Break%20In%20Technique.pd f[/link]

thanks that help