dug050 Posted October 25, 2009 Share #1 Posted October 25, 2009 I have a 1996 Royal Star and am getting some popping on deceleration. I want to set the mixture screws and have been reading some posts on the site. I read the write up by Goose and the 3 methods he knows. I am familiar with the "drop idle method" but I think it requires a tachometer that can read in 50 rpm increments, which I don't have. My question is... Has anybody tried setting the mixture screws using a vacuum guage and adjusting for maximum vacuum like we used to do on automobile carburators ? Also, do I sync the carbs and then adjust mixture or adjust and then sync ? Enjoying the site, lots of good information and knowledgable people. Thanks Doug Link to comment Share on other sites More sharing options...
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