My 110 started to loose power , not much mind , but after all the reports of 110's having to be returned , I decided I would keep an eye on it.
I cleaned the barrel very carefully with rods and a brush , and loads of carp came out, the power(pellet speed) was restored.
I now just shoot cleaning pads through it after every session, and it maintains its 11.3ft/lbs output.
Just be careful if you use cleaning rods because they can damage the "crowning" if you r heavy handed.