As JimboZA says, you meed to clarify whether you have a DC motor or a servo. If it's a motor, you shouldn't be driving it as if it's a servo. If it's a servo, you probably don't even need a transistor to drive it.
As JimboZA says, you meed to clarify whether you have a DC motor or a servo. If it's a motor, you shouldn't be driving it as if it's a servo. If it's a servo, you probably don't even need a transistor to drive it.