- This outrunner motor is mainly designed for runnig with 7.4v lipo, on micro size helicopters, such as Walkera V120D01, D02, D03, D05 4G6, 4G3, etc. with 15t to 17 pinion.

- For maximum life, please ensure that the bearings are maintained properly; put a small drop of bearing oil on each bearing every 5 flights.  And please make sure that a sufficient gap is left between the pinion and main gear during motor installation to avoid binding and causing over load to the motor.