Hey guys, got an '02 Sportster 1200 recently. I am just making sure: 1. Use 91 octane or higher gasoline, right? 2. I am a little worried about the new purchase. I am having a little trouble getting going in first gear- almost feels like I am going to cut out. The bike makes a small knocking sound just before I get going. After I get into gear, everything is fine though. Am I possibly letting off the clutch too quickly/ not giving the right amount of throttle? 3. The guy at the dealer said I should make sure everything stayed tight because the vibration of the bike can knock some nuts/ bolts/ screws outta whack. How often should I check this out? Thank you. I do not have an owner's manual, hence the questions.