Are you sure it’s actually the doors creaking and not the wing beading dried out? Try running some 3 in 1 along all beads. Also, check all screws on door trim and also hinge screws which can work loose.

Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900