Originally Posted by CNY_Dave
If the specs generally line up, it should be a good replacement.
Always assume you don't want the max worst-case burst amperage through the ESC to be more than 85% of the ESCs rating is the policy I apply.
So, make sure the max amps of the motor is less than (0.85 x ESC rating).
Thanks Dave... I have some old 9G servos.. Will they work or should I get bigger?