It depends what kind. Tumor is if begin the recovery period is minimum, if malignant it take long time.
Recovery. Depends on many factors: what bone is affected, type of surgery, age and health status of the patient, etc. This is best discussed with the doctor performing the procedure.
Giant cell bone tumor. What kind of surgery is recommended for treating this and what is the recovery time?
Surgical removal. Excision of the tumor from the bone is almost always curative.