JMo is right on all accounts, but you can still wash it.
        
 
         I used one last year (I still have it) and it worked a treat for saving my butt on a long trip.
         
        
 Look at :
         
         
        
http://www.advrider.com/forums/showthread.php?t=397175
         
         (It is also posted on XT660.com but its in several parts.)
         
        
 OGR