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Message: [QUOTE="phil-coley, post: 1374952, member: 74160"] i have a well sorted 2007 yz 250 but need more midrange power, my bike has std exhaust,power core2 silencer,9oz gytr flywheel,powerblade,boyesen radvalve,shaved head to 050 and tidied all the std ports,i run 14/48 gearing and ride enduros std carb with 185 main,45 pilot n3ew needle on clip5 the ignition is set as std. any advice on how to pep up the midrange would be appreciated and does anybody use a quicker action throttle on their 250. philip coley [/QUOTE]