Seeing the dimensions were narrower and thinner you must assume it was mislabeled and possibly a nine. But you never know, it's quite possible 16 years later it is just tired. The pros will chime in shortly. That's the odd thing despite being narrower and thinner it seemed to be stronger. There was...

I just picked up a 2006 Fly Mojo. The trem spring it came with was labeled "10" so I strung it up with 10's but even with the balance wheel as loose as it would go the trem was still tilted way back. I swapped out the spring with a backup I had also a 10 and followed the setup procedure an...