It's a toss-up:

#1 thing is adjusting the 1-2 shift point in the Savage 25 3-speed...whole tranny has to come out and be taken apart. Then back in it goes with a "hope" that now it's adjusted "OK"

#2 thing is taking out buggy differentials, cleaning the grease out, adding silcone oil, and putting back together.

All in all, I'm a bit lazy, and both these jobs take too long where a bit of a design change could make it soooooooooooooo easyyyyyyyyyyyyyyyyy.