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View Full Version : 250x / 300ex motors


billyboy
06-28-2007, 10:17 AM
Will a 250X lower and a 300ex upper work together?
Does anyone know the answer to this?
2muchquad
07-01-2007, 12:27 PM
Yes they will.Cylinder piston cams,rocker cover etc are all interchangeable.;)