I see my 2007 TC requires 91+ fuel. Being new to Harleys and in New Mexico where a lot of little towns only have two pumps (87 and diesel). And the small places that do sell 91 probably sell so little of it it's probably stale. Can she run on 87 for a short time or could you all recommend an octane booster that really works. I have heard some of them are junk and do no good. On the same subject, I wonder when fueling up from a single hose pump how much of whatever the last guy pumped goes into your tank before the 91 comes out. Just a thought.