Bought a (well) used Lasernut a while ago and have been slowly working through various snags:
Wheels working loose and destroying the very shallow hex sockets - fixed by aralditing the drive hexes into the wheels and clamping with a G clamp until they were set.
Driveshafts dropping out of the differential cups - fixed by adjusting the droop control bolts on the lower arms.
Wheel-end hardware working loose (king pins on the front uprights mainly) - fixed by replacing the 16mm bore shocks with the rebuilt originals because the big bore parts were only allowing the buggy to use about 10mm of the wheel travel so punishing the wheel ends. You could see on hard bumpy ground that all the travel was coming from the tyres deforming which in turn made it unpredictable to drive.
Rear wheels working loose and a propensity to roll when cornering - fixed by reducing the rear wheel camber from "some" to "none" at ride-height.
Directional instability at speed on uneven terrain such as rutted tracks - cured by reducing the front wheel toe out to slight toe in. This was measured using a piece of string tied to the front bumper and wrapped around the wheels on the axle axis.
Made an aluminium roof because it seemed to take a roll on every trip - fortunately fix 5 has made this less likely.
It's fast, much faster than my Axial Bomber and suited to very different terrain.
