The fuel mixture should be about 16:1 with basic 2-stroke oil or engine oil.the gap should be between 20-25 thou.the ignition timing should be so the piston is 5/32 of an inch before tdc and the pionts just about breaking.let me know if you want a copy of the original manual scanned and sent in an e-mail,my address is : mail@sabbath41.freeserve.co.uk
