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Engine Map Chips

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My 2014 KX 450F came with 3 engine map chips. I was wondering if anyone could tell me what they do specifically to the engine function. The manual only goes sofar as to say what color chip is used for normal, slippery, and hard track conditions. I searched around a little bit, but haven't found anything that gives specifics.

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They advance or retard the ignition map by varying degrees, and in the case of the 'slippery' map, also change the curve of the map.

They do nothing to the FI.

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They advance or retard the ignition map by varying degrees, and in the case of the 'slippery' map, also change the curve of the map.

They do nothing to the FI.

they do change the amount of fuel as well lean for soft map rich for hard map

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