New-ish to me '92GS. Bike runs well. Changed all fluids (trans was milky), lubed the splines (good condition, but dry) and took off on a 1,000 journey loaded 2-up around Lake Huron (well most of it anyway). Overall fantastic trip. Question: 2-up with bags, 80+ mph bike doing 5,500-6,000 rpm in top gear was all I could get. Started to feel like it was running out of fuel until I backed out of the throttle. Other than that hiccup bike was flawless. I have yet to do a solo, unloaded top speed jaunt. I'm not sure that I necessarily want to change anything if I don't have to. I'm wondering if I were near normal limits or should I start 'troubleshooting'.