wr or yz trans?!?!

[woodsracer144]

how do i tell if the tranny is a wr or a yz, its a 5 speed and its from a 400... any one know...

[hontrx265r]

Could be wrong on this one, but for some reason I thought on the 400 they were the same trans. And they didn't make them different till the 426. I do know the 400 and 426 trans are different. I tend to prefer the 400

[C41Xracer]

I thought it was the same also

[woodsracer144]

so the 400 and 426 trans are different?