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I have a 02 FatBoy with Vance & Hines Bigshots, Arlen Ness Big Sucker Air Cleaner kit and the Dyno Jet Thunderslide kit. I currently have the 185 main jet in as requested by the Dyno Jet instructions, the plugs have a lean color but it runs good I was wondering what every one else is running for a main jet I am thinking of trying one size richer to get some plug color.