New boyer with mylon screw mod

[Cafe Murdock]

Hey ive got a 79 xs650 with air pods n carbs jetted for them and exaust i jusg put 706cc kit in my bike uve got a daddy g rich chopper style kick only harness but i was wonderinbif it was safe to continuevto use nylon screw mod with brand new boyer system i cant afford another one at that price