hybrid??

[trailrider894]

so i am looking into a 400ex/450f hybrid. i am wanting to do this to my 400ex but i have some question first. what 450 motor is best?? and what all would have to be done to make this possible??

[250x_kyle]

search it. a third of the threads in here are about this question. as far as motor the yz 400f 426f 450f and crf 450 motors are the most commons. i have a built up yz400f motor carb wireing etc. with some 400ex front motor horns forsale if your interested

YZ is normaly cheeper than CRF. If I was to build another mx hybrid I would use a KTM engine.