Here is a great vid on carb settings ,it is very detailed an shows pics an base needle settings!
Also I may add ,make sure that your needle o rings isn't rotted an sloppy ,try pulling them
out an rubbing some grease on them to prevent any air leaks ,air leak will cause unstable
tune an cause the...
I just had that same issue ,an I though was the carb having air leaks ,it was the plug all
that time ,I changed the plug an it cured the issue ,even though the plug still glwed ,
it didn't glow hot enough!..👍😎
It dies when you pull the igniter ,that tells me that it is a glow plug issue ,it is fouled!
If it was a carb. issue ,it wouldn't run well with the igniter on!...😂