Identify this tail servo?

[Helio Addict]

I have a tail servo that the little identification tag came off. Under where the tag used to be says 9151 stamped on the plastic case...well, I don't remember ever seeing a tail servo with that number. I only use the 601, 611 and 401 gyro's and I'm pretty sure it's not for the 611. My guess is that it's a 9251, 9253 or 9254.

[Wyn]

Probably a 9251, which has the non-standard narrow pulse width. Try it on your RX (or 401) and if it doesn't move correctly try it on your 601/611 (which puts out the narrow pulse width).