my xx4 crawls
 

finally got the beast fired up but alas only a fraction of the drive gets transferred to wheels

the pinion spins and meshes nicely against the spur but this does not translate into drive

do i need to go through the motion of adjusting the diffs and then slipper or is there something more basic im missing

i have a lesro one way so presumably the manual instructions for adjusting the front diff dont apply?

sounds like your slipper is very loose or not quiet built right maybe ? Then check the diffs maybe the front one could be in the wrong way ? just some sugestions . holding the white pulley on the slipper shaft you should just be able to move the spur with quiet some force as a rough guide until you get it in the car and set up properly.