throttle screw

l've been digging around in the fiche, but can't seem to find a part number for this piece. It's a threaded housing for the right side grip that allows installation of a throttle screw on oilheads. Anyone either have the number or, even better, have a lead on this part? I'm looking for my...

After a year of searching, I finally bought a 1993 K75 with 46K miles. Although it is a "plain" model, it seems to have the "C" type fairing/windshield which I thought BMW had discontinued in about 1990 on the K75. Is this correct? This will be my ride to Prudhoe Bay next spring. Besides doing a...