Fantastic power bump with this Takegawa 305cc bore kit for the CBR250R MC41 with later serial numbers 1400000 and up. includes 84mm 305cc cylinder, piston, gaskets Hyper camshaft set FI-Con adjustable fuel injection controller The FI-Con is specific to your model/year version - this kit will only work with MC41 CBR250R with serial number between 1400000 - 1499999
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