I have a "brand new old" OS Max 35 FP and it is a buster to get running. I don't have the manual so I have been all over the lot with the needle to no avail. There is every indication that it is not drawing fuel even when I cover the carb venturi & turn over by hand, can't see the air bubbles move. During this test I have had the needle anywhere from 1-1/2 to 6 turns out. If I blow in the vent tube on the tank I can fill the venturi with fuel so it appears as though it's open and clear. The best I can get with the Max is with needle out 4/5/6 turns, it will run for a while (drowning in oil) but 4 cycling, can not close needle to get a 2 cycle condition. Additionally it appears as though there is no control with the throttle.
Assumptions:
I have replaced it on the stand with and old faithful McCoy 35 Red Head which runs fine so therefore I am assuming that my tank, lines and fuel are in good order !! Fuel is VP 10% nitro, 18% castor and meth it is old but it is from a new sealed quart and just opened.

Any help appreciated, can't believe a simple little engine like this can be such a B%$#h !!
Thanx,
Bob B.