Non-emissions 78s spec was to turn the pilot screws 1 1/4 +/- 1/4 turn from lightly seated. The emissions 78 1/2 models showed the pilot screws lightly seated with no turns out. Not sure how well that worked bwhahaha
wiredgeorge Motorcycle Carburetors
Mico TX
www.wgcarbs.com
Too many bikes to list!