2 stroke pre mixing?

[mat_standing]

how do i go about removing the pre mixing system do i need to rejet the carb or owt ? and what shud i mix the 2 stoke to go in a 240 ?
thanks

 

[NOVIS]

this is a thread i made when i did mine it should help. no re-jetting
http://www.blasterforum.com/engine-13/oil-injection-removal-17034/