Maintenance & Technical > KX450F / KX250F

efi for old bikes?

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alexander-vmann:
i have a 2005 kx250f, and was wondering if i could fit a 2011 or newer eletric system fuel pump efi stator, on the old engine?

jBernard:
i guess technically it would work if you made hookups for ALL the sensors. IAT, MAP, Crank sensor, ect. those would ALL need to be hooked up correctly using a stock ECU.
the 05 engine isnt' going to have locations for those made (like IAT and coolant temp on the head). so may take some custom fab.

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