jbolsega Posted October 18, 2009 Share Posted October 18, 2009 I have a 2005 roadstar 1700 with the stock Mikuni BSR40. I changed the exhaust to the "Road House" duellys and the air cleaner to the "Max Air". I now am running too lean as evident by the spark plugs, and more so by the sneezing/hesitation while accelerating from a stop. I've already adjusted the primary mixture screw to it's limit, and slightly opened the choke/enricher cable. I've heard that the next step would be to re jet the carburator, but I don't know to what extent. Do I need to re jet or might it be something else? Link to comment Share on other sites More sharing options...
Moderator Airhead Posted October 18, 2009 Moderator Share Posted October 18, 2009 I guess you would have to jet larger, if it were me I would try a couple of sizes bigger at first and continue to plug chop. jets are way cheaper than pistons and much easier to replace. Link to comment Share on other sites More sharing options...
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