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Message: [QUOTE="slapshot1540, post: 1299992, member: 93857"] ive got a 2000 cr125 i bought from a guy who polished the intake ports and put a fmf pipe on it and thats all he did 2 it. i dont think its gettin full bottom end power it wont idle it wont really wheelie in first gear it jus seems 2 bog down then it gets 2 going after that i was told it could be the reed valve or i could b suckin in air underneath tha jug or i could b suckin in air inta tha left or rite of the crankcase so i tested all of this and everthing wuz fine i also tesed tha compression which wuz a little week so i rebuilt the top end thinkin that would solve the problem but its basically tha same....im jus thankin that bcuz he polished the intake ports it jus lost the bottom end power and theres nuthin i can do about it but would it be carb jetting or different sparkplugs?? or im thinkin bout puttin a torque spacer in?? please help [/QUOTE]