My shop manual shows two settings on the monoshock. Wondering if the damping settings actually lower the bike as at 5'9" with a short leg, I sit just a tad high on the bike.
I lowered my wifes B6 with diamond powersports dog bones. They were meant for a B12 however, so the stock", 1", and 2" inch lower setting (holes) actually worked out to 1", 2" and 3" lower setting on the B6 (
they didnt tell me there'd be a difference initially).
This said, we have the bones on their alleged "stock settings" which actually make the bike 1" lower, we also lowered the triple clamp 1&1/4 inches also to retain its geometry. I'm guessing the 03 frame is damn close to the 06 (yours), so if an inch is all you require, aftermarket dog bones should do the trick, just make sure you lower the front proportionately, otherwise good luck steering!
Measure your BONES and the distance between the two holes, and contact diamond for their same measurements on their BONES, remember, the shorter the BONE or distance between holes, the TALLER the bike will be.
(took me a while to wrap my head around that one!)