Maintenance & Technical > KX450F / KX250F

3 different ECU came with my KX2F

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jolyane:
Hi. I am quite sure that someone here can explain the differences between the 3 different ECU provided with my new 2014 KX250F.
I took delivery of my new bike two days ago, and i must admit, i dont really know what they are for... :?
thanks
jolyane

KXDINO:
The little book they give you should explain it, remember if you start putting a pipe or cams on it you have to get one of the chip that you don't use remapped or your exhaust valves will look like a sinker in no time , what I mean is these motors need more fuel when you start modifying them , they will run lean and melt the exhaust valves , seen it ,we have the kawi program to change the mapping , so beware. GEE I wished the big K kept there 250 2t in production ,would not need all this programing stuff plus the 2t much more reliable in the engine department.

reklessj:
Read topic:  Kx 450 2014 1 hour failure.  May apply to you as well, Dont melt that shiny new thing

Dutch-K5 Fan:
What do you mean with 3 Ecu's?

The KX250F also has optional coupler plug-in caps. The green (standard), black (hard terrain) and white (soft terrain) couplers are interchangeable and greatly affect the KX250F’s engine characteristics. The black coupler is meant to be used on hard pack tracks, while the white coupler is best suited to loamy or sandy conditions where maximum power is necessary. The green coupler falls somewhere in between.

MXA sours


Dutchie

bens87braap:

--- Quote from: Dutch-K5 Fan on August 02, 2014, 07:25:14 PM ---What do you mean with 3 Ecu's?

The KX250F also has optional coupler plug-in caps. The green (standard), black (hard terrain) and white (soft terrain) couplers are interchangeable and greatly affect the KX250F’s engine characteristics. The black coupler is meant to be used on hard pack tracks, while the white coupler is best suited to loamy or sandy conditions where maximum power is necessary. The green coupler falls somewhere in between.

MXA sours


Dutchie

--- End quote ---

Sweet Dutchie my mate was asking about these too.  I read 3 pages of crap and u summed it up in 2 lines dushhhhh

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