Hi Richard, This is mickfin I got a Fuji BT 64 N i had to send it in for the same resin vibration,
Thay sent me a NEW BT64 in the Box I tryed too ask as too what was the problem, All thay sead was not putting thear thumb down too what the problem was, Thay sead thear was a problem?? All N all i got the NEW one and i mounted it with Truck Mud flaps 2 thick on the Firewall N smooth, I got it on a Giant Stinger, Good Luck to you Richard, Mickfin