1991 yamaha outboard carb adjustment

[softail396]

trying to find out the adjustment for the air adjustment screw, does any one know how many turns for the screw. i'm at 2 1/4 right now, at 1 1/2 it was popping and running rough at 2 1/4 it seems better but want to make sure of the correct adjustment

 

[softail396]

Re: 1991 yamaha outboard carb adjustment

just to let you guys know that were looking but didn't no it's 1 1/8 of a turn out is the starting point just rec., the info today hope it helps.thanks

 

[99yam40]

Re: 1991 yamaha outboard carb adjustment

sounds like you need to pull and clean the carbs.
make sure you do the link and sync in the manual after reinstalling the carbs