Just got done washing my 3124KS. Ugh! I'm always amazed at how small it seems with 5 raucous grand kids in it, but how large it grows when it's time to wash it!
About once a year, I apply Meguiar's Ultimate Quik Detailer. The water beading is phenomenal, and it makes washing bugs and tree sap off of it much easier. This product takes MUCH less "elbow grease" than wax. You just spray it on, and wipe it off. Follow the instructions, and don't let it dry before you wipe it off.
This product, as well as car waxes, will last much longer on your TM if you wash it with car wash soap rather than dish soap.
Dave