Full AL Upper Lower Swash, Xtreme motors, Boomtownhobbies boom kit. 6 eflite batteries and 4 DN 850mah 15c. about 100+ flights since stock, 40 or so since the xtreme motors. I am replacing the brushes on the 180's as I type, soldering iron is warming up. I just flew 6 packs at the gym and I started have more yaw issues, it got progressively worse as i flew. and then the heli was really loosing power i could not correct any yaw at all it just kept spinning.