Well I'm finally getting comfortable enough to get up to speed on some of the local highways but as I get up to around 50 MPH, I'm noticing some pretty good vibrations going on. I can't tell if it's the engine or maybe the windshield. Being new to street bikes, I'm not sure how much is too much. To me, it's a bit uncomfortable. I'm thinking of maybe trying to raise the windshield a bit. Right now, it's at the lowest setting. Any other ideas/suggestions?