Gum pain near old graft site. is this normal?

Not likely: Unless you had recent dental treatment in that area, pain should not be expected and would most likely be a result of some dental problem. What exactly is causing your pain can only be determined by a one on one clinical exam and x-rays of the area by a dentist. Please see a dentist for the answer to your question.

How old?: Graft site may develop keloid formation (scar) and upon remodeling, it may be sensitive or slight pain. If occur within 6 months to a year, it may be normal. If the graft site fail and the infection recur due to more bone loss, this must be treated. See your dentist for thorough exam and xray.