i am running my mrx5. the one way on my 2-speed skip when i entered the apex. my friend helped me to clean it with cleaner and re-lub it, it works and never had problem. i saw the other one on my track had the same issue. it worked out for him too. you may try that.
for mine, when i took it out, i saw a lot of "oil" around the one way, the flange bearings(2 pieces) at the 2nd speed housing were "wet". i remembered i did lube these 2 bearings with bearing oil when they were newly installed, and i put the serpent one-way lube on it.
the other one from my mrx4, i have it since 04, never failed.