Dle 60
 

I just bought a DLE 60 and cannot get it tuned. I checked for air leaks in fuel line, put new ngk spark plugs in, it runs well from idle to 1/4 throttle. misses from 1/4 to 1/2 throttle, then 1/2 throttle to full throttle is great. Can't figure out why this new engine is missing.