400ex frame difference?????

[Master LTR450]

can someone tell me if there is any difference in the frames from year to year? what has changed? motor mounts?

[TheNewn]

Everything is the same frame wise im pretty sure. Why would the motor mounts be different? Always has been the same motor...

[Master LTR450]

i dont know why would they change the frame?

[TripleR400]

pretty sure the main frame the same all years but sub frame on 05 and up are different(tail light brackets)