How to check popoff pressure and setup carberator linkages on Mikuni Sbn 44s ,46 ,48 ,50 mm carbs 23 March 2020 Hey guys in this video I go through how to properly check popoff pressure and set up carberator linkages on a Mikuni SBN carburetors. We used a PJS throttle drum, Jet Works throttle linkages and PITCH components carbon fiber SBN cover plates. Comments There are no comments yet. Leave message Your rating: Your review: Please enter your review. Share Tweet