Lash,
In the general information section of the manual where the torque specs are, it say this is an ALOC screw. That means it comes new with thread locker. The joke meaning of ALOC is Add Locker Or Crash. Actually, it may mean anerobic locking compound.
So, just add some Loctite or your favorite locker. You don't want the screw falling out on the road. I've done it on my CB and ST. No problems with the screw coming out.
Forgot to add: You have to hold the bar end while you tighten the screw. The bar end will will not get TIGHT. It will move and you can easily turn it with your hand.