I just purchased a used 2010 Wave. Today while giving everthing a closer inspection I noticed that I also have the same problem as the original poster, a tiller crossbar elbow that doesn't swivel. Here are pics of mine. Maybe the same as the original poster. Any suggestions as to how to free it up?
[url][URL=http://smg.photobucket.com/user/pgillies/media/Hobie%20Wave/Tiller%20Handle%20Elbow%201_zpsbyhuobtx.jpg.html]
[/url][/url]
[url][URL=http://smg.photobucket.com/user/pgillies/media/Hobie%20Wave/Tiller%20Handle%20Elbow%202_zpssvtqoclp.jpg.html]
[/url][/url]