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  1. 250 exc running problems PLEASE HELP

    Off-Road / Enduro
    hi all im jim im new to the forums! i have bought a ktm 250 exc, its a 2002 and bought it wen was in need of rebuild! had the engine rebuilt b a company recommend from ktm dealer so i knw its a good job! anyway fitted the engine new plug oil ect of course and it starts fine, blew smoke at...
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