mculloch pro mac 610 carb question

[elksniper]

hello guys hoping someone wil know what the original settinng is for the screws for the carb am rebuilding it and want to reset after putting it back in assuming starting at 3/4 turns out but want to verify. it is a walbro hdb 1 thanks in advance.

 

[Brian VT]

3/4-1 turn should be a good starting point for most any carb.