The one on my Orange 5 had to be sent back to Mojo under warranty as it developed a fault after six months- first 3-5mm of travel seemed to lose pressure and damping, then ramped up to ‘normal’ for the rest of its travel. This made the suspension clunk in a similar way to a loose pivot bush. No issues with the warranty, LBS took it in on a Saturday morning early and I had it back on the bike by Wednesday afternoon- full marks all round. Incidentally the rebuilt shock seems much better than it ever was before – smoother though travel etc, so it may have been slightly faulty right from the start?