My first boat, I was getting familiar with the controls before I went to the ramp. I lowered the trim, and when I was raising it, it was raising fine, then my finger pressed in the "trigger" on the throttle and the trim stopped raising, I can lower it a bit, and it sounds like it may be rasing for a second, then stop. I would think if it was a cylinoid problem, it wouldn't engage at all?? Could this have something to do with the "release" on the throtle?