Interesting, I must be blanking because I have never heard of a rubber piece that goes all the way around the tank. Ive owned 3 900's and not one has had that. Unless I am completeling wrong here lol. Give more details?

 

lol im wrong. the one bike i looked at looked like it had it. your right thanks for the help guys!

 

servicehonda.com is a good source too. You can check out the parts fiche for your bike too.