Hi All,
I  are having a vibration issue with my 87 Westy.  It seems like the right rear wheel, and it diminishes around a right turn at speed.  The vibration decreases with speed about 60mph.  In an effort to eradicate the issue I have replaced the rear wheel bearings right and left, rotated and balanced the tires,  and replaced the CV joints.  It is an automatic with just over 200K.  I don't know where else to look.  Is there a wear issue with the automatic transmission that could be causing it?  
Thanks,
Finn 
Taos, NM
87 Westy Pooh
89 Westy Roo