2013 HARLEY-DAVIDSON FLTRXSE Wheels Problems

AFTER PURCHASING MOTORCYCLE NEW FROM DEALER.. NOTICED THAT STEERING SHAKE / WOBBLE ON DECELERATION BETWEEN SPEEDS OF 30-60 MPH. NOTIFIED DEALER AND FOUND THAT STEERING COMPONENT NUT OF SOME SORT WAS LOOSE AND NEEDED ADJUSTMENT. THIS SEEMED TO HAVE FIXED ISSUE BUT SOON RETURNED WITHIN 1000 MILES. THE MOTORCYCLE CURRENTLY HAS AROUND 4000 MILES AND STILL HAS THIS CONDITION. REPORTED TO DEALER WHERE MOTORCYCLE WAS PURCHASED SEVERAL TIMES AND AFTER FAILURE TO FIX CONDITION CONTACTED ANOTHER DEALER. THIS NUT WAS THEN RE-TIGHTENED BUT SOON SHAKE / WOBBLE RETURNED DURING DECELERATION AT SPEEDS BETWEEN 30-60 MPH. AFTER COMPLAINING TO SECOND H-D DEALER, THE SERVICE DEPARTMENT CONTACTED H-D AND WERE TOLD TO ADVISE THE CUSTOMER (ME) TO NOT REMOVE HANDS FROM HANDLEBARS WHILE RIDING AND KEEP BOTH HANDS ON THE BARS AT ALL TIMES. I THEN ADVISED THAT HANDS DON'T HAVE TO BE COMPLETELY REMOVED FROM HANDLEBARS TO FEEL THIS SHAKE AND...