I don't have a Nomad, but I found that larger homemade lowers on my V2K made a world of difference:
http://www.kawasakimotorcycle.org/f...2841-900lt-windshield-updraft.html#post933097
http://www.kawasakimotorcycle.org/f...2841-900lt-windshield-updraft.html#post933097